Home / 738,671.76-1,108,205.16-265,361.28

Finding the Fourth Proportional to 738,671.76, 1,108,205.16 and 265,361.28

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Solution

The fourth proportional to 738,671.76, 1,108,205.16 and 265,361.28 is: 398,112.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,671.76 : 1,108,205.16 = 265,361.28 : x
  2. Step 2: Convert to fraction form
    738,671.76/1,108,205.16 = 265,361.28/x
  3. Step 3: Cross multiply
    738,671.76x = 1,108,205.16 × 265,361.28
  4. Step 4: Simplify right side
    738,671.76x = 294,074,739,760.21
  5. Step 5: Solve for x
    x = 294,074,739,760.21/738,671.76
  6. Step 6: Final answer
    x = 398,112.88

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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.