Home / 980,693.54-1,471,124.95-270,721.65

Finding the Fourth Proportional to 980,693.54, 1,471,124.95 and 270,721.65

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Solution

The fourth proportional to 980,693.54, 1,471,124.95 and 270,721.65 is: 406,105.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,693.54 : 1,471,124.95 = 270,721.65 : x
  2. Step 2: Convert to fraction form
    980,693.54/1,471,124.95 = 270,721.65/x
  3. Step 3: Cross multiply
    980,693.54x = 1,471,124.95 × 270,721.65
  4. Step 4: Simplify right side
    980,693.54x = 398,265,373,143.36
  5. Step 5: Solve for x
    x = 398,265,373,143.36/980,693.54
  6. Step 6: Final answer
    x = 406,105.84

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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.