Home / 738,871.20-1,108,306.80-265,604.40

Finding the Fourth Proportional to 738,871.20, 1,108,306.80 and 265,604.40

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Solution

The fourth proportional to 738,871.20, 1,108,306.80 and 265,604.40 is: 398,406.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,871.20 : 1,108,306.80 = 265,604.40 : x
  2. Step 2: Convert to fraction form
    738,871.20/1,108,306.80 = 265,604.40/x
  3. Step 3: Cross multiply
    738,871.20x = 1,108,306.80 × 265,604.40
  4. Step 4: Simplify right side
    738,871.20x = 294,371,162,629.92
  5. Step 5: Solve for x
    x = 294,371,162,629.92/738,871.20
  6. Step 6: Final answer
    x = 398,406.60

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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.