Home / 868,262.02-1,197,819.90-523,905.87

Finding the Fourth Proportional to 868,262.02, 1,197,819.90 and 523,905.87

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Solution

The fourth proportional to 868,262.02, 1,197,819.90 and 523,905.87 is: 722,759.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,262.02 : 1,197,819.90 = 523,905.87 : x
  2. Step 2: Convert to fraction form
    868,262.02/1,197,819.90 = 523,905.87/x
  3. Step 3: Cross multiply
    868,262.02x = 1,197,819.90 × 523,905.87
  4. Step 4: Simplify right side
    868,262.02x = 627,544,876,812.81
  5. Step 5: Solve for x
    x = 627,544,876,812.81/868,262.02
  6. Step 6: Final answer
    x = 722,759.79

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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.