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Finding the Fourth Proportional to 590,427.40, 884,328.90 and 485,451.40

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Solution

The fourth proportional to 590,427.40, 884,328.90 and 485,451.40 is: 727,098.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,427.40 : 884,328.90 = 485,451.40 : x
  2. Step 2: Convert to fraction form
    590,427.40/884,328.90 = 485,451.40/x
  3. Step 3: Cross multiply
    590,427.40x = 884,328.90 × 485,451.40
  4. Step 4: Simplify right side
    590,427.40x = 429,298,702,565.46
  5. Step 5: Solve for x
    x = 429,298,702,565.46/590,427.40
  6. Step 6: Final answer
    x = 727,098.20

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