Home / 662,462.40-914,121.92-375,925.44

Finding the Fourth Proportional to 662,462.40, 914,121.92 and 375,925.44

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Solution

The fourth proportional to 662,462.40, 914,121.92 and 375,925.44 is: 518,733.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    662,462.40 : 914,121.92 = 375,925.44 : x
  2. Step 2: Convert to fraction form
    662,462.40/914,121.92 = 375,925.44/x
  3. Step 3: Cross multiply
    662,462.40x = 914,121.92 × 375,925.44
  4. Step 4: Simplify right side
    662,462.40x = 343,641,684,989.65
  5. Step 5: Solve for x
    x = 343,641,684,989.65/662,462.40
  6. Step 6: Final answer
    x = 518,733.87

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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.