Home / 738,818.20-1,108,227.30-265,551.40

Finding the Fourth Proportional to 738,818.20, 1,108,227.30 and 265,551.40

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Solution

The fourth proportional to 738,818.20, 1,108,227.30 and 265,551.40 is: 398,327.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,818.20 : 1,108,227.30 = 265,551.40 : x
  2. Step 2: Convert to fraction form
    738,818.20/1,108,227.30 = 265,551.40/x
  3. Step 3: Cross multiply
    738,818.20x = 1,108,227.30 × 265,551.40
  4. Step 4: Simplify right side
    738,818.20x = 294,291,311,033.22
  5. Step 5: Solve for x
    x = 294,291,311,033.22/738,818.20
  6. Step 6: Final answer
    x = 398,327.10

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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.