Home / 454,003.11-626,515.16-284,330.79

Finding the Fourth Proportional to 454,003.11, 626,515.16 and 284,330.79

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Solution

The fourth proportional to 454,003.11, 626,515.16 and 284,330.79 is: 392,370.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,003.11 : 626,515.16 = 284,330.79 : x
  2. Step 2: Convert to fraction form
    454,003.11/626,515.16 = 284,330.79/x
  3. Step 3: Cross multiply
    454,003.11x = 626,515.16 × 284,330.79
  4. Step 4: Simplify right side
    454,003.11x = 178,137,548,968.12
  5. Step 5: Solve for x
    x = 178,137,548,968.12/454,003.11
  6. Step 6: Final answer
    x = 392,370.77

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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.