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Finding the Fourth Proportional to 539,084.40, 807,460.20 and 350,127.60

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Solution

The fourth proportional to 539,084.40, 807,460.20 and 350,127.60 is: 524,433.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    539,084.40 : 807,460.20 = 350,127.60 : x
  2. Step 2: Convert to fraction form
    539,084.40/807,460.20 = 350,127.60/x
  3. Step 3: Cross multiply
    539,084.40x = 807,460.20 × 350,127.60
  4. Step 4: Simplify right side
    539,084.40x = 282,714,101,921.52
  5. Step 5: Solve for x
    x = 282,714,101,921.52/539,084.40
  6. Step 6: Final answer
    x = 524,433.84

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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.