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Finding the Fourth Proportional to 557,730.90, 838,345.95 and 547,233.30

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Solution

The fourth proportional to 557,730.90, 838,345.95 and 547,233.30 is: 822,566.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    557,730.90 : 838,345.95 = 547,233.30 : x
  2. Step 2: Convert to fraction form
    557,730.90/838,345.95 = 547,233.30/x
  3. Step 3: Cross multiply
    557,730.90x = 838,345.95 × 547,233.30
  4. Step 4: Simplify right side
    557,730.90x = 458,770,820,760.14
  5. Step 5: Solve for x
    x = 458,770,820,760.14/557,730.90
  6. Step 6: Final answer
    x = 822,566.62

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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.