Home / 739,121.62-1,019,621.14-477,386.93

Finding the Fourth Proportional to 739,121.62, 1,019,621.14 and 477,386.93

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Solution

The fourth proportional to 739,121.62, 1,019,621.14 and 477,386.93 is: 658,557.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,121.62 : 1,019,621.14 = 477,386.93 : x
  2. Step 2: Convert to fraction form
    739,121.62/1,019,621.14 = 477,386.93/x
  3. Step 3: Cross multiply
    739,121.62x = 1,019,621.14 × 477,386.93
  4. Step 4: Simplify right side
    739,121.62x = 486,753,805,787.70
  5. Step 5: Solve for x
    x = 486,753,805,787.70/739,121.62
  6. Step 6: Final answer
    x = 658,557.12

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.