Home / 928,982.17-1,393,220.28-254,903.65

Finding the Fourth Proportional to 928,982.17, 1,393,220.28 and 254,903.65

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Solution

The fourth proportional to 928,982.17, 1,393,220.28 and 254,903.65 is: 382,286.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,982.17 : 1,393,220.28 = 254,903.65 : x
  2. Step 2: Convert to fraction form
    928,982.17/1,393,220.28 = 254,903.65/x
  3. Step 3: Cross multiply
    928,982.17x = 1,393,220.28 × 254,903.65
  4. Step 4: Simplify right side
    928,982.17x = 355,136,934,626.02
  5. Step 5: Solve for x
    x = 355,136,934,626.02/928,982.17
  6. Step 6: Final answer
    x = 382,286.06

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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.