Home / 769,448.49-1,154,192.46-364,545.90

Finding the Fourth Proportional to 769,448.49, 1,154,192.46 and 364,545.90

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Solution

The fourth proportional to 769,448.49, 1,154,192.46 and 364,545.90 is: 546,828.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,448.49 : 1,154,192.46 = 364,545.90 : x
  2. Step 2: Convert to fraction form
    769,448.49/1,154,192.46 = 364,545.90/x
  3. Step 3: Cross multiply
    769,448.49x = 1,154,192.46 × 364,545.90
  4. Step 4: Simplify right side
    769,448.49x = 420,756,129,103.91
  5. Step 5: Solve for x
    x = 420,756,129,103.91/769,448.49
  6. Step 6: Final answer
    x = 546,828.20

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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.