Home / 762,922.80-1,144,384.20-230,388.30

Finding the Fourth Proportional to 762,922.80, 1,144,384.20 and 230,388.30

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Solution

The fourth proportional to 762,922.80, 1,144,384.20 and 230,388.30 is: 345,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,922.80 : 1,144,384.20 = 230,388.30 : x
  2. Step 2: Convert to fraction form
    762,922.80/1,144,384.20 = 230,388.30/x
  3. Step 3: Cross multiply
    762,922.80x = 1,144,384.20 × 230,388.30
  4. Step 4: Simplify right side
    762,922.80x = 263,652,730,384.86
  5. Step 5: Solve for x
    x = 263,652,730,384.86/762,922.80
  6. Step 6: Final answer
    x = 345,582.45

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Double scale
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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.