Home / 662,895.61-993,572.26-378,785.34

Finding the Fourth Proportional to 662,895.61, 993,572.26 and 378,785.34

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Solution

The fourth proportional to 662,895.61, 993,572.26 and 378,785.34 is: 567,737.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,895.61 : 993,572.26 = 378,785.34 : x
  2. Step 2: Convert to fraction form
    662,895.61/993,572.26 = 378,785.34/x
  3. Step 3: Cross multiply
    662,895.61x = 993,572.26 × 378,785.34
  4. Step 4: Simplify right side
    662,895.61x = 376,350,605,371.71
  5. Step 5: Solve for x
    x = 376,350,605,371.71/662,895.61
  6. Step 6: Final answer
    x = 567,737.36

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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.