Home / 979,538.96-1,468,737.56-379,799.48

Finding the Fourth Proportional to 979,538.96, 1,468,737.56 and 379,799.48

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Solution

The fourth proportional to 979,538.96, 1,468,737.56 and 379,799.48 is: 569,477.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,538.96 : 1,468,737.56 = 379,799.48 : x
  2. Step 2: Convert to fraction form
    979,538.96/1,468,737.56 = 379,799.48/x
  3. Step 3: Cross multiply
    979,538.96x = 1,468,737.56 × 379,799.48
  4. Step 4: Simplify right side
    979,538.96x = 557,825,761,544.47
  5. Step 5: Solve for x
    x = 557,825,761,544.47/979,538.96
  6. Step 6: Final answer
    x = 569,477.87

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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.