Home / 980,838.19-1,471,284.90-270,866.23

Finding the Fourth Proportional to 980,838.19, 1,471,284.90 and 270,866.23

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Solution

The fourth proportional to 980,838.19, 1,471,284.90 and 270,866.23 is: 406,306.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,838.19 : 1,471,284.90 = 270,866.23 : x
  2. Step 2: Convert to fraction form
    980,838.19/1,471,284.90 = 270,866.23/x
  3. Step 3: Cross multiply
    980,838.19x = 1,471,284.90 × 270,866.23
  4. Step 4: Simplify right side
    980,838.19x = 398,521,390,440.72
  5. Step 5: Solve for x
    x = 398,521,390,440.72/980,838.19
  6. Step 6: Final answer
    x = 406,306.97

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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.