Home / 409,272.30-613,908.45-283,301.10

Finding the Fourth Proportional to 409,272.30, 613,908.45 and 283,301.10

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Solution

The fourth proportional to 409,272.30, 613,908.45 and 283,301.10 is: 424,951.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    409,272.30 : 613,908.45 = 283,301.10 : x
  2. Step 2: Convert to fraction form
    409,272.30/613,908.45 = 283,301.10/x
  3. Step 3: Cross multiply
    409,272.30x = 613,908.45 × 283,301.10
  4. Step 4: Simplify right side
    409,272.30x = 173,920,939,184.30
  5. Step 5: Solve for x
    x = 173,920,939,184.30/409,272.30
  6. Step 6: Final answer
    x = 424,951.65

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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.