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Finding the Fourth Proportional to 555,470.30, 833,205.45 and 342,893.90

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Solution

The fourth proportional to 555,470.30, 833,205.45 and 342,893.90 is: 514,340.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,470.30 : 833,205.45 = 342,893.90 : x
  2. Step 2: Convert to fraction form
    555,470.30/833,205.45 = 342,893.90/x
  3. Step 3: Cross multiply
    555,470.30x = 833,205.45 × 342,893.90
  4. Step 4: Simplify right side
    555,470.30x = 285,701,066,251.76
  5. Step 5: Solve for x
    x = 285,701,066,251.76/555,470.30
  6. Step 6: Final answer
    x = 514,340.85

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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.