Home / 856,476.40-1,181,890.88-474,480.40

Finding the Fourth Proportional to 856,476.40, 1,181,890.88 and 474,480.40

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Solution

The fourth proportional to 856,476.40, 1,181,890.88 and 474,480.40 is: 654,757.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,476.40 : 1,181,890.88 = 474,480.40 : x
  2. Step 2: Convert to fraction form
    856,476.40/1,181,890.88 = 474,480.40/x
  3. Step 3: Cross multiply
    856,476.40x = 1,181,890.88 × 474,480.40
  4. Step 4: Simplify right side
    856,476.40x = 560,784,057,498.75
  5. Step 5: Solve for x
    x = 560,784,057,498.75/856,476.40
  6. Step 6: Final answer
    x = 654,757.16

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.