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Finding the Fourth Proportional to 590,522.80, 885,784.20 and 391,068.40

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Solution

The fourth proportional to 590,522.80, 885,784.20 and 391,068.40 is: 586,602.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,522.80 : 885,784.20 = 391,068.40 : x
  2. Step 2: Convert to fraction form
    590,522.80/885,784.20 = 391,068.40/x
  3. Step 3: Cross multiply
    590,522.80x = 885,784.20 × 391,068.40
  4. Step 4: Simplify right side
    590,522.80x = 346,402,209,839.28
  5. Step 5: Solve for x
    x = 346,402,209,839.28/590,522.80
  6. Step 6: Final answer
    x = 586,602.60

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