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Finding the Fourth Proportional to 549,891.40, 824,837.10 and 425,475.40

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Solution

The fourth proportional to 549,891.40, 824,837.10 and 425,475.40 is: 638,213.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    549,891.40 : 824,837.10 = 425,475.40 : x
  2. Step 2: Convert to fraction form
    549,891.40/824,837.10 = 425,475.40/x
  3. Step 3: Cross multiply
    549,891.40x = 824,837.10 × 425,475.40
  4. Step 4: Simplify right side
    549,891.40x = 350,947,895,057.34
  5. Step 5: Solve for x
    x = 350,947,895,057.34/549,891.40
  6. Step 6: Final answer
    x = 638,213.10

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