Home / 747,828.40-1,121,523.90-268,000.60

Finding the Fourth Proportional to 747,828.40, 1,121,523.90 and 268,000.60

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Solution

The fourth proportional to 747,828.40, 1,121,523.90 and 268,000.60 is: 401,922.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,828.40 : 1,121,523.90 = 268,000.60 : x
  2. Step 2: Convert to fraction form
    747,828.40/1,121,523.90 = 268,000.60/x
  3. Step 3: Cross multiply
    747,828.40x = 1,121,523.90 × 268,000.60
  4. Step 4: Simplify right side
    747,828.40x = 300,569,078,114.34
  5. Step 5: Solve for x
    x = 300,569,078,114.34/747,828.40
  6. Step 6: Final answer
    x = 401,922.52

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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.