Home / 464,721.70-697,082.55-413,983.30

Finding the Fourth Proportional to 464,721.70, 697,082.55 and 413,983.30

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Solution

The fourth proportional to 464,721.70, 697,082.55 and 413,983.30 is: 620,974.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    464,721.70 : 697,082.55 = 413,983.30 : x
  2. Step 2: Convert to fraction form
    464,721.70/697,082.55 = 413,983.30/x
  3. Step 3: Cross multiply
    464,721.70x = 697,082.55 × 413,983.30
  4. Step 4: Simplify right side
    464,721.70x = 288,580,534,421.42
  5. Step 5: Solve for x
    x = 288,580,534,421.42/464,721.70
  6. Step 6: Final answer
    x = 620,974.95

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Similar ratio
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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.