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Finding the Fourth Proportional to 540,016.23, 745,191.52 and 322,470.39

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Solution

The fourth proportional to 540,016.23, 745,191.52 and 322,470.39 is: 444,990.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,016.23 : 745,191.52 = 322,470.39 : x
  2. Step 2: Convert to fraction form
    540,016.23/745,191.52 = 322,470.39/x
  3. Step 3: Cross multiply
    540,016.23x = 745,191.52 × 322,470.39
  4. Step 4: Simplify right side
    540,016.23x = 240,302,200,079.09
  5. Step 5: Solve for x
    x = 240,302,200,079.09/540,016.23
  6. Step 6: Final answer
    x = 444,990.70

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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.