Home / 785,280.90-1,177,921.35-732,404.10

Finding the Fourth Proportional to 785,280.90, 1,177,921.35 and 732,404.10

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Solution

The fourth proportional to 785,280.90, 1,177,921.35 and 732,404.10 is: 1,098,606.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,280.90 : 1,177,921.35 = 732,404.10 : x
  2. Step 2: Convert to fraction form
    785,280.90/1,177,921.35 = 732,404.10/x
  3. Step 3: Cross multiply
    785,280.90x = 1,177,921.35 × 732,404.10
  4. Step 4: Simplify right side
    785,280.90x = 862,714,426,217.54
  5. Step 5: Solve for x
    x = 862,714,426,217.54/785,280.90
  6. Step 6: Final answer
    x = 1,098,606.15

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.