Home / 899,989.20-1,350,178.20-268,966.80

Finding the Fourth Proportional to 899,989.20, 1,350,178.20 and 268,966.80

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Solution

The fourth proportional to 899,989.20, 1,350,178.20 and 268,966.80 is: 403,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,989.20 : 1,350,178.20 = 268,966.80 : x
  2. Step 2: Convert to fraction form
    899,989.20/1,350,178.20 = 268,966.80/x
  3. Step 3: Cross multiply
    899,989.20x = 1,350,178.20 × 268,966.80
  4. Step 4: Simplify right side
    899,989.20x = 363,153,109,883.76
  5. Step 5: Solve for x
    x = 363,153,109,883.76/899,989.20
  6. Step 6: Final answer
    x = 403,508.30

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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.