Home / 723,946.56-999,027.20-397,258.56

Finding the Fourth Proportional to 723,946.56, 999,027.20 and 397,258.56

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Solution

The fourth proportional to 723,946.56, 999,027.20 and 397,258.56 is: 548,206.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,946.56 : 999,027.20 = 397,258.56 : x
  2. Step 2: Convert to fraction form
    723,946.56/999,027.20 = 397,258.56/x
  3. Step 3: Cross multiply
    723,946.56x = 999,027.20 × 397,258.56
  4. Step 4: Simplify right side
    723,946.56x = 396,872,106,872.83
  5. Step 5: Solve for x
    x = 396,872,106,872.83/723,946.56
  6. Step 6: Final answer
    x = 548,206.36

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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.