Home / 723,964.77-999,052.38-397,276.79

Finding the Fourth Proportional to 723,964.77, 999,052.38 and 397,276.79

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Solution

The fourth proportional to 723,964.77, 999,052.38 and 397,276.79 is: 548,231.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,964.77 : 999,052.38 = 397,276.79 : x
  2. Step 2: Convert to fraction form
    723,964.77/999,052.38 = 397,276.79/x
  3. Step 3: Cross multiply
    723,964.77x = 999,052.38 × 397,276.79
  4. Step 4: Simplify right side
    723,964.77x = 396,900,317,573.00
  5. Step 5: Solve for x
    x = 396,900,317,573.00/723,964.77
  6. Step 6: Final answer
    x = 548,231.54

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.