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Finding the Fourth Proportional to 584,387.64, 806,410.62 and 329,762.52

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Solution

The fourth proportional to 584,387.64, 806,410.62 and 329,762.52 is: 455,047.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,387.64 : 806,410.62 = 329,762.52 : x
  2. Step 2: Convert to fraction form
    584,387.64/806,410.62 = 329,762.52/x
  3. Step 3: Cross multiply
    584,387.64x = 806,410.62 × 329,762.52
  4. Step 4: Simplify right side
    584,387.64x = 265,923,998,205.96
  5. Step 5: Solve for x
    x = 265,923,998,205.96/584,387.64
  6. Step 6: Final answer
    x = 455,047.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.