Home / 744,232.16-1,027,116.52-438,404.78

Finding the Fourth Proportional to 744,232.16, 1,027,116.52 and 438,404.78

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Solution

The fourth proportional to 744,232.16, 1,027,116.52 and 438,404.78 is: 605,043.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,232.16 : 1,027,116.52 = 438,404.78 : x
  2. Step 2: Convert to fraction form
    744,232.16/1,027,116.52 = 438,404.78/x
  3. Step 3: Cross multiply
    744,232.16x = 1,027,116.52 × 438,404.78
  4. Step 4: Simplify right side
    744,232.16x = 450,292,791,984.97
  5. Step 5: Solve for x
    x = 450,292,791,984.97/744,232.16
  6. Step 6: Final answer
    x = 605,043.45

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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.