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Finding the Fourth Proportional to 523,426.40, 785,139.60 and 470,938.40

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Solution

The fourth proportional to 523,426.40, 785,139.60 and 470,938.40 is: 706,407.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    523,426.40 : 785,139.60 = 470,938.40 : x
  2. Step 2: Convert to fraction form
    523,426.40/785,139.60 = 470,938.40/x
  3. Step 3: Cross multiply
    523,426.40x = 785,139.60 × 470,938.40
  4. Step 4: Simplify right side
    523,426.40x = 369,752,387,000.64
  5. Step 5: Solve for x
    x = 369,752,387,000.64/523,426.40
  6. Step 6: Final answer
    x = 706,407.60

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