Home / 869,748.12-1,200,262.44-482,570.80

Finding the Fourth Proportional to 869,748.12, 1,200,262.44 and 482,570.80

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Solution

The fourth proportional to 869,748.12, 1,200,262.44 and 482,570.80 is: 665,953.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,748.12 : 1,200,262.44 = 482,570.80 : x
  2. Step 2: Convert to fraction form
    869,748.12/1,200,262.44 = 482,570.80/x
  3. Step 3: Cross multiply
    869,748.12x = 1,200,262.44 × 482,570.80
  4. Step 4: Simplify right side
    869,748.12x = 579,211,605,880.75
  5. Step 5: Solve for x
    x = 579,211,605,880.75/869,748.12
  6. Step 6: Final answer
    x = 665,953.27

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Double scale
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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.