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Finding the Fourth Proportional to 454,205.10, 681,307.65 and 429,710.70

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Solution

The fourth proportional to 454,205.10, 681,307.65 and 429,710.70 is: 644,566.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,205.10 : 681,307.65 = 429,710.70 : x
  2. Step 2: Convert to fraction form
    454,205.10/681,307.65 = 429,710.70/x
  3. Step 3: Cross multiply
    454,205.10x = 681,307.65 × 429,710.70
  4. Step 4: Simplify right side
    454,205.10x = 292,765,187,196.86
  5. Step 5: Solve for x
    x = 292,765,187,196.86/454,205.10
  6. Step 6: Final answer
    x = 644,566.05

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