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Finding the Fourth Proportional to 473,029.20, 709,543.80 and 454,658.40

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Solution

The fourth proportional to 473,029.20, 709,543.80 and 454,658.40 is: 681,987.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,029.20 : 709,543.80 = 454,658.40 : x
  2. Step 2: Convert to fraction form
    473,029.20/709,543.80 = 454,658.40/x
  3. Step 3: Cross multiply
    473,029.20x = 709,543.80 × 454,658.40
  4. Step 4: Simplify right side
    473,029.20x = 322,600,048,837.92
  5. Step 5: Solve for x
    x = 322,600,048,837.92/473,029.20
  6. Step 6: Final answer
    x = 681,987.60

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