Home / 748,040.80-1,122,061.20-304,808.80

Finding the Fourth Proportional to 748,040.80, 1,122,061.20 and 304,808.80

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Solution

The fourth proportional to 748,040.80, 1,122,061.20 and 304,808.80 is: 457,213.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,040.80 : 1,122,061.20 = 304,808.80 : x
  2. Step 2: Convert to fraction form
    748,040.80/1,122,061.20 = 304,808.80/x
  3. Step 3: Cross multiply
    748,040.80x = 1,122,061.20 × 304,808.80
  4. Step 4: Simplify right side
    748,040.80x = 342,014,127,898.56
  5. Step 5: Solve for x
    x = 342,014,127,898.56/748,040.80
  6. Step 6: Final answer
    x = 457,213.20

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Similar ratio
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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.