Home / 948,463.14-1,308,280.68-661,878.66

Finding the Fourth Proportional to 948,463.14, 1,308,280.68 and 661,878.66

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Solution

The fourth proportional to 948,463.14, 1,308,280.68 and 661,878.66 is: 912,974.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,463.14 : 1,308,280.68 = 661,878.66 : x
  2. Step 2: Convert to fraction form
    948,463.14/1,308,280.68 = 661,878.66/x
  3. Step 3: Cross multiply
    948,463.14x = 1,308,280.68 × 661,878.66
  4. Step 4: Simplify right side
    948,463.14x = 865,923,063,382.29
  5. Step 5: Solve for x
    x = 865,923,063,382.29/948,463.14
  6. Step 6: Final answer
    x = 912,974.92

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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.