Home / 851,729.08-1,278,479.76-627,342.88

Finding the Fourth Proportional to 851,729.08, 1,278,479.76 and 627,342.88

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Solution

The fourth proportional to 851,729.08, 1,278,479.76 and 627,342.88 is: 941,667.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,729.08 : 1,278,479.76 = 627,342.88 : x
  2. Step 2: Convert to fraction form
    851,729.08/1,278,479.76 = 627,342.88/x
  3. Step 3: Cross multiply
    851,729.08x = 1,278,479.76 × 627,342.88
  4. Step 4: Simplify right side
    851,729.08x = 802,045,174,660.11
  5. Step 5: Solve for x
    x = 802,045,174,660.11/851,729.08
  6. Step 6: Final answer
    x = 941,667.01

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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.