Home / 661,972.50-913,522.05-360,168.66

Finding the Fourth Proportional to 661,972.50, 913,522.05 and 360,168.66

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Solution

The fourth proportional to 661,972.50, 913,522.05 and 360,168.66 is: 497,032.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    661,972.50 : 913,522.05 = 360,168.66 : x
  2. Step 2: Convert to fraction form
    661,972.50/913,522.05 = 360,168.66/x
  3. Step 3: Cross multiply
    661,972.50x = 913,522.05 × 360,168.66
  4. Step 4: Simplify right side
    661,972.50x = 329,022,012,628.95
  5. Step 5: Solve for x
    x = 329,022,012,628.95/661,972.50
  6. Step 6: Final answer
    x = 497,032.75

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Why These Related Problems?

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