Home / 976,726.80-1,464,895.80-471,286.80

Finding the Fourth Proportional to 976,726.80, 1,464,895.80 and 471,286.80

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Solution

The fourth proportional to 976,726.80, 1,464,895.80 and 471,286.80 is: 706,836.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,726.80 : 1,464,895.80 = 471,286.80 : x
  2. Step 2: Convert to fraction form
    976,726.80/1,464,895.80 = 471,286.80/x
  3. Step 3: Cross multiply
    976,726.80x = 1,464,895.80 × 471,286.80
  4. Step 4: Simplify right side
    976,726.80x = 690,386,053,915.44
  5. Step 5: Solve for x
    x = 690,386,053,915.44/976,726.80
  6. Step 6: Final answer
    x = 706,836.40

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Double scale
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Similar ratio
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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.