Home / 748,246.82-1,122,536.08-215,726.30

Finding the Fourth Proportional to 748,246.82, 1,122,536.08 and 215,726.30

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Solution

The fourth proportional to 748,246.82, 1,122,536.08 and 215,726.30 is: 323,637.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,246.82 : 1,122,536.08 = 215,726.30 : x
  2. Step 2: Convert to fraction form
    748,246.82/1,122,536.08 = 215,726.30/x
  3. Step 3: Cross multiply
    748,246.82x = 1,122,536.08 × 215,726.30
  4. Step 4: Simplify right side
    748,246.82x = 242,160,555,154.90
  5. Step 5: Solve for x
    x = 242,160,555,154.90/748,246.82
  6. Step 6: Final answer
    x = 323,637.27

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Double scale
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Similar ratio
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1.5x scale

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.