Home / 509,380.60-763,972.08-484,092.40

Finding the Fourth Proportional to 509,380.60, 763,972.08 and 484,092.40

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Solution

The fourth proportional to 509,380.60, 763,972.08 and 484,092.40 is: 726,044.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    509,380.60 : 763,972.08 = 484,092.40 : x
  2. Step 2: Convert to fraction form
    509,380.60/763,972.08 = 484,092.40/x
  3. Step 3: Cross multiply
    509,380.60x = 763,972.08 × 484,092.40
  4. Step 4: Simplify right side
    509,380.60x = 369,833,077,740.19
  5. Step 5: Solve for x
    x = 369,833,077,740.19/509,380.60
  6. Step 6: Final answer
    x = 726,044.69

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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.