Home / 738,175.20-1,107,262.80-264,908.40

Finding the Fourth Proportional to 738,175.20, 1,107,262.80 and 264,908.40

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Solution

The fourth proportional to 738,175.20, 1,107,262.80 and 264,908.40 is: 397,362.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,175.20 : 1,107,262.80 = 264,908.40 : x
  2. Step 2: Convert to fraction form
    738,175.20/1,107,262.80 = 264,908.40/x
  3. Step 3: Cross multiply
    738,175.20x = 1,107,262.80 × 264,908.40
  4. Step 4: Simplify right side
    738,175.20x = 293,323,216,727.52
  5. Step 5: Solve for x
    x = 293,323,216,727.52/738,175.20
  6. Step 6: Final answer
    x = 397,362.60

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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.