Home / 749,010.70-1,123,516.05-329,106.70

Finding the Fourth Proportional to 749,010.70, 1,123,516.05 and 329,106.70

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Solution

The fourth proportional to 749,010.70, 1,123,516.05 and 329,106.70 is: 493,660.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,010.70 : 1,123,516.05 = 329,106.70 : x
  2. Step 2: Convert to fraction form
    749,010.70/1,123,516.05 = 329,106.70/x
  3. Step 3: Cross multiply
    749,010.70x = 1,123,516.05 × 329,106.70
  4. Step 4: Simplify right side
    749,010.70x = 369,756,659,612.54
  5. Step 5: Solve for x
    x = 369,756,659,612.54/749,010.70
  6. Step 6: Final answer
    x = 493,660.05

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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.