Home / 784,892.50-1,083,159.07-445,334.02

Finding the Fourth Proportional to 784,892.50, 1,083,159.07 and 445,334.02

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Solution

The fourth proportional to 784,892.50, 1,083,159.07 and 445,334.02 is: 614,565.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,892.50 : 1,083,159.07 = 445,334.02 : x
  2. Step 2: Convert to fraction form
    784,892.50/1,083,159.07 = 445,334.02/x
  3. Step 3: Cross multiply
    784,892.50x = 1,083,159.07 × 445,334.02
  4. Step 4: Simplify right side
    784,892.50x = 482,367,579,121.33
  5. Step 5: Solve for x
    x = 482,367,579,121.33/784,892.50
  6. Step 6: Final answer
    x = 614,565.15

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1.5x scale

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.