Home / 712,781.64-1,069,332-239,454.06

Finding the Fourth Proportional to 712,781.64, 1,069,332 and 239,454.06

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Solution

The fourth proportional to 712,781.64, 1,069,332 and 239,454.06 is: 359,234.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,781.64 : 1,069,332 = 239,454.06 : x
  2. Step 2: Convert to fraction form
    712,781.64/1,069,332 = 239,454.06/x
  3. Step 3: Cross multiply
    712,781.64x = 1,069,332 × 239,454.06
  4. Step 4: Simplify right side
    712,781.64x = 256,055,888,887.92
  5. Step 5: Solve for x
    x = 256,055,888,887.92/712,781.64
  6. Step 6: Final answer
    x = 359,234.69

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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.