Home / 644,146.17-966,423.38-502,477.17

Finding the Fourth Proportional to 644,146.17, 966,423.38 and 502,477.17

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Solution

The fourth proportional to 644,146.17, 966,423.38 and 502,477.17 is: 753,874.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,146.17 : 966,423.38 = 502,477.17 : x
  2. Step 2: Convert to fraction form
    644,146.17/966,423.38 = 502,477.17/x
  3. Step 3: Cross multiply
    644,146.17x = 966,423.38 × 502,477.17
  4. Step 4: Simplify right side
    644,146.17x = 485,605,682,491.85
  5. Step 5: Solve for x
    x = 485,605,682,491.85/644,146.17
  6. Step 6: Final answer
    x = 753,874.98

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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.