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Finding the Fourth Proportional to 537,909.80, 806,864.70 and 369,948.20

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Solution

The fourth proportional to 537,909.80, 806,864.70 and 369,948.20 is: 554,922.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    537,909.80 : 806,864.70 = 369,948.20 : x
  2. Step 2: Convert to fraction form
    537,909.80/806,864.70 = 369,948.20/x
  3. Step 3: Cross multiply
    537,909.80x = 806,864.70 × 369,948.20
  4. Step 4: Simplify right side
    537,909.80x = 298,498,143,408.54
  5. Step 5: Solve for x
    x = 298,498,143,408.54/537,909.80
  6. Step 6: Final answer
    x = 554,922.30

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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.