Home / 762,707.52-1,144,069.38-230,232.96

Finding the Fourth Proportional to 762,707.52, 1,144,069.38 and 230,232.96

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Solution

The fourth proportional to 762,707.52, 1,144,069.38 and 230,232.96 is: 345,351.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,707.52 : 1,144,069.38 = 230,232.96 : x
  2. Step 2: Convert to fraction form
    762,707.52/1,144,069.38 = 230,232.96/x
  3. Step 3: Cross multiply
    762,707.52x = 1,144,069.38 × 230,232.96
  4. Step 4: Simplify right side
    762,707.52x = 263,402,479,802.77
  5. Step 5: Solve for x
    x = 263,402,479,802.77/762,707.52
  6. Step 6: Final answer
    x = 345,351.89

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Double scale
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1.5x scale

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.