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Finding the Fourth Proportional to 516,073.61, 712,157.35 and 286,645.77

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Solution

The fourth proportional to 516,073.61, 712,157.35 and 286,645.77 is: 395,557.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,073.61 : 712,157.35 = 286,645.77 : x
  2. Step 2: Convert to fraction form
    516,073.61/712,157.35 = 286,645.77/x
  3. Step 3: Cross multiply
    516,073.61x = 712,157.35 × 286,645.77
  4. Step 4: Simplify right side
    516,073.61x = 204,136,891,951.91
  5. Step 5: Solve for x
    x = 204,136,891,951.91/516,073.61
  6. Step 6: Final answer
    x = 395,557.70

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