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Finding the Fourth Proportional to 590,808.20, 884,138.70 and 404,184.20

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Solution

The fourth proportional to 590,808.20, 884,138.70 and 404,184.20 is: 604,857.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    590,808.20 : 884,138.70 = 404,184.20 : x
  2. Step 2: Convert to fraction form
    590,808.20/884,138.70 = 404,184.20/x
  3. Step 3: Cross multiply
    590,808.20x = 884,138.70 × 404,184.20
  4. Step 4: Simplify right side
    590,808.20x = 357,354,893,148.54
  5. Step 5: Solve for x
    x = 357,354,893,148.54/590,808.20
  6. Step 6: Final answer
    x = 604,857.71

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.