Home / 749,027.10-1,123,411.05-275,468.70

Finding the Fourth Proportional to 749,027.10, 1,123,411.05 and 275,468.70

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Solution

The fourth proportional to 749,027.10, 1,123,411.05 and 275,468.70 is: 413,155.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,027.10 : 1,123,411.05 = 275,468.70 : x
  2. Step 2: Convert to fraction form
    749,027.10/1,123,411.05 = 275,468.70/x
  3. Step 3: Cross multiply
    749,027.10x = 1,123,411.05 × 275,468.70
  4. Step 4: Simplify right side
    749,027.10x = 309,464,581,509.14
  5. Step 5: Solve for x
    x = 309,464,581,509.14/749,027.10
  6. Step 6: Final answer
    x = 413,155.39

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Double scale
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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.