Home / 764,432.10-1,146,648.15-195,812.10

Finding the Fourth Proportional to 764,432.10, 1,146,648.15 and 195,812.10

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Solution

The fourth proportional to 764,432.10, 1,146,648.15 and 195,812.10 is: 293,718.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,432.10 : 1,146,648.15 = 195,812.10 : x
  2. Step 2: Convert to fraction form
    764,432.10/1,146,648.15 = 195,812.10/x
  3. Step 3: Cross multiply
    764,432.10x = 1,146,648.15 × 195,812.10
  4. Step 4: Simplify right side
    764,432.10x = 224,527,582,212.62
  5. Step 5: Solve for x
    x = 224,527,582,212.62/764,432.10
  6. Step 6: Final answer
    x = 293,718.15

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Double scale
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Similar ratio
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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.