Home / 764,432.80-1,146,645.15-195,812.80

Finding the Fourth Proportional to 764,432.80, 1,146,645.15 and 195,812.80

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Solution

The fourth proportional to 764,432.80, 1,146,645.15 and 195,812.80 is: 293,718.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,432.80 : 1,146,645.15 = 195,812.80 : x
  2. Step 2: Convert to fraction form
    764,432.80/1,146,645.15 = 195,812.80/x
  3. Step 3: Cross multiply
    764,432.80x = 1,146,645.15 × 195,812.80
  4. Step 4: Simplify right side
    764,432.80x = 224,527,797,427.92
  5. Step 5: Solve for x
    x = 224,527,797,427.92/764,432.80
  6. Step 6: Final answer
    x = 293,718.16

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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.