Home / 744,397.14-1,026,938.60-457,747.86

Finding the Fourth Proportional to 744,397.14, 1,026,938.60 and 457,747.86

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Solution

The fourth proportional to 744,397.14, 1,026,938.60 and 457,747.86 is: 631,489.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,397.14 : 1,026,938.60 = 457,747.86 : x
  2. Step 2: Convert to fraction form
    744,397.14/1,026,938.60 = 457,747.86/x
  3. Step 3: Cross multiply
    744,397.14x = 1,026,938.60 × 457,747.86
  4. Step 4: Simplify right side
    744,397.14x = 470,078,946,501.40
  5. Step 5: Solve for x
    x = 470,078,946,501.40/744,397.14
  6. Step 6: Final answer
    x = 631,489.46

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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.