Home / 547,814.10-821,721.15-370,521.30

Finding the Fourth Proportional to 547,814.10, 821,721.15 and 370,521.30

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Solution

The fourth proportional to 547,814.10, 821,721.15 and 370,521.30 is: 555,781.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    547,814.10 : 821,721.15 = 370,521.30 : x
  2. Step 2: Convert to fraction form
    547,814.10/821,721.15 = 370,521.30/x
  3. Step 3: Cross multiply
    547,814.10x = 821,721.15 × 370,521.30
  4. Step 4: Simplify right side
    547,814.10x = 304,465,188,735.50
  5. Step 5: Solve for x
    x = 304,465,188,735.50/547,814.10
  6. Step 6: Final answer
    x = 555,781.95

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Double scale
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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.