Home / 884,358.30-1,326,817.86-315,727.20

Finding the Fourth Proportional to 884,358.30, 1,326,817.86 and 315,727.20

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Solution

The fourth proportional to 884,358.30, 1,326,817.86 and 315,727.20 is: 473,690.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,358.30 : 1,326,817.86 = 315,727.20 : x
  2. Step 2: Convert to fraction form
    884,358.30/1,326,817.86 = 315,727.20/x
  3. Step 3: Cross multiply
    884,358.30x = 1,326,817.86 × 315,727.20
  4. Step 4: Simplify right side
    884,358.30x = 418,912,487,847.79
  5. Step 5: Solve for x
    x = 418,912,487,847.79/884,358.30
  6. Step 6: Final answer
    x = 473,690.91

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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.