Home / 980,702.91-1,471,139.01-270,731.07

Finding the Fourth Proportional to 980,702.91, 1,471,139.01 and 270,731.07

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Solution

The fourth proportional to 980,702.91, 1,471,139.01 and 270,731.07 is: 406,119.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,702.91 : 1,471,139.01 = 270,731.07 : x
  2. Step 2: Convert to fraction form
    980,702.91/1,471,139.01 = 270,731.07/x
  3. Step 3: Cross multiply
    980,702.91x = 1,471,139.01 × 270,731.07
  4. Step 4: Simplify right side
    980,702.91x = 398,283,038,296.04
  5. Step 5: Solve for x
    x = 398,283,038,296.04/980,702.91
  6. Step 6: Final answer
    x = 406,119.97

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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.