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Finding the Fourth Proportional to 473,743.20, 710,614.80 and 315,458.40

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Solution

The fourth proportional to 473,743.20, 710,614.80 and 315,458.40 is: 473,187.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    473,743.20 : 710,614.80 = 315,458.40 : x
  2. Step 2: Convert to fraction form
    473,743.20/710,614.80 = 315,458.40/x
  3. Step 3: Cross multiply
    473,743.20x = 710,614.80 × 315,458.40
  4. Step 4: Simplify right side
    473,743.20x = 224,169,407,824.32
  5. Step 5: Solve for x
    x = 224,169,407,824.32/473,743.20
  6. Step 6: Final answer
    x = 473,187.60

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