Home / 851,728.08-1,278,478.26-627,341.88

Finding the Fourth Proportional to 851,728.08, 1,278,478.26 and 627,341.88

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Solution

The fourth proportional to 851,728.08, 1,278,478.26 and 627,341.88 is: 941,665.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,728.08 : 1,278,478.26 = 627,341.88 : x
  2. Step 2: Convert to fraction form
    851,728.08/1,278,478.26 = 627,341.88/x
  3. Step 3: Cross multiply
    851,728.08x = 1,278,478.26 × 627,341.88
  4. Step 4: Simplify right side
    851,728.08x = 802,042,955,167.53
  5. Step 5: Solve for x
    x = 802,042,955,167.53/851,728.08
  6. Step 6: Final answer
    x = 941,665.51

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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.