Home / 815,100.67-1,124,817.00-488,598.13

Finding the Fourth Proportional to 815,100.67, 1,124,817.00 and 488,598.13

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Solution

The fourth proportional to 815,100.67, 1,124,817.00 and 488,598.13 is: 674,252.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,100.67 : 1,124,817.00 = 488,598.13 : x
  2. Step 2: Convert to fraction form
    815,100.67/1,124,817.00 = 488,598.13/x
  3. Step 3: Cross multiply
    815,100.67x = 1,124,817.00 × 488,598.13
  4. Step 4: Simplify right side
    815,100.67x = 549,583,480,161.44
  5. Step 5: Solve for x
    x = 549,583,480,161.44/815,100.67
  6. Step 6: Final answer
    x = 674,252.27

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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.