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Finding the Fourth Proportional to 459,574.60, 688,001.10 and 341,768.20

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Solution

The fourth proportional to 459,574.60, 688,001.10 and 341,768.20 is: 511,640.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,574.60 : 688,001.10 = 341,768.20 : x
  2. Step 2: Convert to fraction form
    459,574.60/688,001.10 = 341,768.20/x
  3. Step 3: Cross multiply
    459,574.60x = 688,001.10 × 341,768.20
  4. Step 4: Simplify right side
    459,574.60x = 235,136,897,545.02
  5. Step 5: Solve for x
    x = 235,136,897,545.02/459,574.60
  6. Step 6: Final answer
    x = 511,640.32

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