Home / 744,012.20-1,026,708.12-404,480.60

Finding the Fourth Proportional to 744,012.20, 1,026,708.12 and 404,480.60

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Solution

The fourth proportional to 744,012.20, 1,026,708.12 and 404,480.60 is: 558,167.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,012.20 : 1,026,708.12 = 404,480.60 : x
  2. Step 2: Convert to fraction form
    744,012.20/1,026,708.12 = 404,480.60/x
  3. Step 3: Cross multiply
    744,012.20x = 1,026,708.12 × 404,480.60
  4. Step 4: Simplify right side
    744,012.20x = 415,283,516,402.47
  5. Step 5: Solve for x
    x = 415,283,516,402.47/744,012.20
  6. Step 6: Final answer
    x = 558,167.62

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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.