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Finding the Fourth Proportional to 540,059.88, 745,288.44 and 298,348.92

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Solution

The fourth proportional to 540,059.88, 745,288.44 and 298,348.92 is: 411,724.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,059.88 : 745,288.44 = 298,348.92 : x
  2. Step 2: Convert to fraction form
    540,059.88/745,288.44 = 298,348.92/x
  3. Step 3: Cross multiply
    540,059.88x = 745,288.44 × 298,348.92
  4. Step 4: Simplify right side
    540,059.88x = 222,356,001,162.49
  5. Step 5: Solve for x
    x = 222,356,001,162.49/540,059.88
  6. Step 6: Final answer
    x = 411,724.72

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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.