Home / 764,311.80-1,146,176.10-231,655.80

Finding the Fourth Proportional to 764,311.80, 1,146,176.10 and 231,655.80

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Solution

The fourth proportional to 764,311.80, 1,146,176.10 and 231,655.80 is: 347,395.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,311.80 : 1,146,176.10 = 231,655.80 : x
  2. Step 2: Convert to fraction form
    764,311.80/1,146,176.10 = 231,655.80/x
  3. Step 3: Cross multiply
    764,311.80x = 1,146,176.10 × 231,655.80
  4. Step 4: Simplify right side
    764,311.80x = 265,518,341,386.38
  5. Step 5: Solve for x
    x = 265,518,341,386.38/764,311.80
  6. Step 6: Final answer
    x = 347,395.32

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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.