Home / 749,600.46-1,123,902.39-412,799.70

Finding the Fourth Proportional to 749,600.46, 1,123,902.39 and 412,799.70

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Solution

The fourth proportional to 749,600.46, 1,123,902.39 and 412,799.70 is: 618,925.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,600.46 : 1,123,902.39 = 412,799.70 : x
  2. Step 2: Convert to fraction form
    749,600.46/1,123,902.39 = 412,799.70/x
  3. Step 3: Cross multiply
    749,600.46x = 1,123,902.39 × 412,799.70
  4. Step 4: Simplify right side
    749,600.46x = 463,946,569,421.28
  5. Step 5: Solve for x
    x = 463,946,569,421.28/749,600.46
  6. Step 6: Final answer
    x = 618,925.14

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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.