Home / 748,245.83-1,122,534.59-215,725.30

Finding the Fourth Proportional to 748,245.83, 1,122,534.59 and 215,725.30

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Solution

The fourth proportional to 748,245.83, 1,122,534.59 and 215,725.30 is: 323,635.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,245.83 : 1,122,534.59 = 215,725.30 : x
  2. Step 2: Convert to fraction form
    748,245.83/1,122,534.59 = 215,725.30/x
  3. Step 3: Cross multiply
    748,245.83x = 1,122,534.59 × 215,725.30
  4. Step 4: Simplify right side
    748,245.83x = 242,159,111,188.13
  5. Step 5: Solve for x
    x = 242,159,111,188.13/748,245.83
  6. Step 6: Final answer
    x = 323,635.76

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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.