Home / 540,273.06-745,556.76-298,550.61

Finding the Fourth Proportional to 540,273.06, 745,556.76 and 298,550.61

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Solution

The fourth proportional to 540,273.06, 745,556.76 and 298,550.61 is: 411,988.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,273.06 : 745,556.76 = 298,550.61 : x
  2. Step 2: Convert to fraction form
    540,273.06/745,556.76 = 298,550.61/x
  3. Step 3: Cross multiply
    540,273.06x = 745,556.76 × 298,550.61
  4. Step 4: Simplify right side
    540,273.06x = 222,586,425,487.62
  5. Step 5: Solve for x
    x = 222,586,425,487.62/540,273.06
  6. Step 6: Final answer
    x = 411,988.76

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.