Home / 749,460.30-1,123,801.65-275,901.90

Finding the Fourth Proportional to 749,460.30, 1,123,801.65 and 275,901.90

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Solution

The fourth proportional to 749,460.30, 1,123,801.65 and 275,901.90 is: 413,709.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,460.30 : 1,123,801.65 = 275,901.90 : x
  2. Step 2: Convert to fraction form
    749,460.30/1,123,801.65 = 275,901.90/x
  3. Step 3: Cross multiply
    749,460.30x = 1,123,801.65 × 275,901.90
  4. Step 4: Simplify right side
    749,460.30x = 310,059,010,458.14
  5. Step 5: Solve for x
    x = 310,059,010,458.14/749,460.30
  6. Step 6: Final answer
    x = 413,709.72

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Half scale
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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.