Home / 766,276.46-1,149,510.12-260,798.60

Finding the Fourth Proportional to 766,276.46, 1,149,510.12 and 260,798.60

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Solution

The fourth proportional to 766,276.46, 1,149,510.12 and 260,798.60 is: 391,230.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,276.46 : 1,149,510.12 = 260,798.60 : x
  2. Step 2: Convert to fraction form
    766,276.46/1,149,510.12 = 260,798.60/x
  3. Step 3: Cross multiply
    766,276.46x = 1,149,510.12 × 260,798.60
  4. Step 4: Simplify right side
    766,276.46x = 299,790,623,256.29
  5. Step 5: Solve for x
    x = 299,790,623,256.29/766,276.46
  6. Step 6: Final answer
    x = 391,230.37

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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.