Home / 684,287.28-1,026,333.60-235,000.80

Finding the Fourth Proportional to 684,287.28, 1,026,333.60 and 235,000.80

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Solution

The fourth proportional to 684,287.28, 1,026,333.60 and 235,000.80 is: 352,467.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,287.28 : 1,026,333.60 = 235,000.80 : x
  2. Step 2: Convert to fraction form
    684,287.28/1,026,333.60 = 235,000.80/x
  3. Step 3: Cross multiply
    684,287.28x = 1,026,333.60 × 235,000.80
  4. Step 4: Simplify right side
    684,287.28x = 241,189,217,066.88
  5. Step 5: Solve for x
    x = 241,189,217,066.88/684,287.28
  6. Step 6: Final answer
    x = 352,467.78

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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.