Home / 929,875.20-1,394,812.80-264,940.80

Finding the Fourth Proportional to 929,875.20, 1,394,812.80 and 264,940.80

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Solution

The fourth proportional to 929,875.20, 1,394,812.80 and 264,940.80 is: 397,411.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,875.20 : 1,394,812.80 = 264,940.80 : x
  2. Step 2: Convert to fraction form
    929,875.20/1,394,812.80 = 264,940.80/x
  3. Step 3: Cross multiply
    929,875.20x = 1,394,812.80 × 264,940.80
  4. Step 4: Simplify right side
    929,875.20x = 369,542,819,082.24
  5. Step 5: Solve for x
    x = 369,542,819,082.24/929,875.20
  6. Step 6: Final answer
    x = 397,411.20

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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.