Home / 738,983.20-1,108,474.80-265,716.40

Finding the Fourth Proportional to 738,983.20, 1,108,474.80 and 265,716.40

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Solution

The fourth proportional to 738,983.20, 1,108,474.80 and 265,716.40 is: 398,574.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,983.20 : 1,108,474.80 = 265,716.40 : x
  2. Step 2: Convert to fraction form
    738,983.20/1,108,474.80 = 265,716.40/x
  3. Step 3: Cross multiply
    738,983.20x = 1,108,474.80 × 265,716.40
  4. Step 4: Simplify right side
    738,983.20x = 294,539,933,346.72
  5. Step 5: Solve for x
    x = 294,539,933,346.72/738,983.20
  6. Step 6: Final answer
    x = 398,574.60

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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.