Home / 628,727.92-867,665.44-353,134.24

Finding the Fourth Proportional to 628,727.92, 867,665.44 and 353,134.24

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Solution

The fourth proportional to 628,727.92, 867,665.44 and 353,134.24 is: 487,337.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    628,727.92 : 867,665.44 = 353,134.24 : x
  2. Step 2: Convert to fraction form
    628,727.92/867,665.44 = 353,134.24/x
  3. Step 3: Cross multiply
    628,727.92x = 867,665.44 × 353,134.24
  4. Step 4: Simplify right side
    628,727.92x = 306,402,375,728.67
  5. Step 5: Solve for x
    x = 306,402,375,728.67/628,727.92
  6. Step 6: Final answer
    x = 487,337.00

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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.