Home / 699,517.34-1,049,275.08-279,088.46

Finding the Fourth Proportional to 699,517.34, 1,049,275.08 and 279,088.46

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Solution

The fourth proportional to 699,517.34, 1,049,275.08 and 279,088.46 is: 418,632.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,517.34 : 1,049,275.08 = 279,088.46 : x
  2. Step 2: Convert to fraction form
    699,517.34/1,049,275.08 = 279,088.46/x
  3. Step 3: Cross multiply
    699,517.34x = 1,049,275.08 × 279,088.46
  4. Step 4: Simplify right side
    699,517.34x = 292,840,566,193.58
  5. Step 5: Solve for x
    x = 292,840,566,193.58/699,517.34
  6. Step 6: Final answer
    x = 418,632.32

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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.