Home / 749,217.48-1,123,639.14-293,901.25

Finding the Fourth Proportional to 749,217.48, 1,123,639.14 and 293,901.25

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Solution

The fourth proportional to 749,217.48, 1,123,639.14 and 293,901.25 is: 440,778.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,217.48 : 1,123,639.14 = 293,901.25 : x
  2. Step 2: Convert to fraction form
    749,217.48/1,123,639.14 = 293,901.25/x
  3. Step 3: Cross multiply
    749,217.48x = 1,123,639.14 × 293,901.25
  4. Step 4: Simplify right side
    749,217.48x = 330,238,947,794.93
  5. Step 5: Solve for x
    x = 330,238,947,794.93/749,217.48
  6. Step 6: Final answer
    x = 440,778.49

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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.