Home / 749,159.76-1,123,505.40-250,407.12

Finding the Fourth Proportional to 749,159.76, 1,123,505.40 and 250,407.12

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Solution

The fourth proportional to 749,159.76, 1,123,505.40 and 250,407.12 is: 375,532.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,159.76 : 1,123,505.40 = 250,407.12 : x
  2. Step 2: Convert to fraction form
    749,159.76/1,123,505.40 = 250,407.12/x
  3. Step 3: Cross multiply
    749,159.76x = 1,123,505.40 × 250,407.12
  4. Step 4: Simplify right side
    749,159.76x = 281,333,751,518.45
  5. Step 5: Solve for x
    x = 281,333,751,518.45/749,159.76
  6. Step 6: Final answer
    x = 375,532.39

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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.