Home / 284,532.48-391,521.60-275,875.20

Finding the Fourth Proportional to 284,532.48, 391,521.60 and 275,875.20

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Solution

The fourth proportional to 284,532.48, 391,521.60 and 275,875.20 is: 379,609.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    284,532.48 : 391,521.60 = 275,875.20 : x
  2. Step 2: Convert to fraction form
    284,532.48/391,521.60 = 275,875.20/x
  3. Step 3: Cross multiply
    284,532.48x = 391,521.60 × 275,875.20
  4. Step 4: Simplify right side
    284,532.48x = 108,011,099,704.32
  5. Step 5: Solve for x
    x = 108,011,099,704.32/284,532.48
  6. Step 6: Final answer
    x = 379,609.03

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.