Home / 802,372.15-1,203,612.90-255,221.20

Finding the Fourth Proportional to 802,372.15, 1,203,612.90 and 255,221.20

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Solution

The fourth proportional to 802,372.15, 1,203,612.90 and 255,221.20 is: 382,849.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    802,372.15 : 1,203,612.90 = 255,221.20 : x
  2. Step 2: Convert to fraction form
    802,372.15/1,203,612.90 = 255,221.20/x
  3. Step 3: Cross multiply
    802,372.15x = 1,203,612.90 × 255,221.20
  4. Step 4: Simplify right side
    802,372.15x = 307,187,528,673.48
  5. Step 5: Solve for x
    x = 307,187,528,673.48/802,372.15
  6. Step 6: Final answer
    x = 382,849.19

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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.