Home / 832,770.28-1,149,153.77-488,570.20

Finding the Fourth Proportional to 832,770.28, 1,149,153.77 and 488,570.20

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Solution

The fourth proportional to 832,770.28, 1,149,153.77 and 488,570.20 is: 674,186.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    832,770.28 : 1,149,153.77 = 488,570.20 : x
  2. Step 2: Convert to fraction form
    832,770.28/1,149,153.77 = 488,570.20/x
  3. Step 3: Cross multiply
    832,770.28x = 1,149,153.77 × 488,570.20
  4. Step 4: Simplify right side
    832,770.28x = 561,442,281,923.92
  5. Step 5: Solve for x
    x = 561,442,281,923.92/832,770.28
  6. Step 6: Final answer
    x = 674,186.26

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Half scale
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Double scale
Find fourth proportional to 832,771.28, 1,149,155.14 and 488,571.20
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.