Home / 749,135.09-1,123,869.09-349,557.91

Finding the Fourth Proportional to 749,135.09, 1,123,869.09 and 349,557.91

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Solution

The fourth proportional to 749,135.09, 1,123,869.09 and 349,557.91 is: 524,414.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,135.09 : 1,123,869.09 = 349,557.91 : x
  2. Step 2: Convert to fraction form
    749,135.09/1,123,869.09 = 349,557.91/x
  3. Step 3: Cross multiply
    749,135.09x = 1,123,869.09 × 349,557.91
  4. Step 4: Simplify right side
    749,135.09x = 392,857,330,214.00
  5. Step 5: Solve for x
    x = 392,857,330,214.00/749,135.09
  6. Step 6: Final answer
    x = 524,414.54

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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.