Home / 912,961.40-1,370,565.30-576,001.40

Finding the Fourth Proportional to 912,961.40, 1,370,565.30 and 576,001.40

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Solution

The fourth proportional to 912,961.40, 1,370,565.30 and 576,001.40 is: 864,710.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,961.40 : 1,370,565.30 = 576,001.40 : x
  2. Step 2: Convert to fraction form
    912,961.40/1,370,565.30 = 576,001.40/x
  3. Step 3: Cross multiply
    912,961.40x = 1,370,565.30 × 576,001.40
  4. Step 4: Simplify right side
    912,961.40x = 789,447,531,591.42
  5. Step 5: Solve for x
    x = 789,447,531,591.42/912,961.40
  6. Step 6: Final answer
    x = 864,710.74

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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.