Home / 489,040.64-733,560.96-322,789.76

Finding the Fourth Proportional to 489,040.64, 733,560.96 and 322,789.76

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Solution

The fourth proportional to 489,040.64, 733,560.96 and 322,789.76 is: 484,184.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,040.64 : 733,560.96 = 322,789.76 : x
  2. Step 2: Convert to fraction form
    489,040.64/733,560.96 = 322,789.76/x
  3. Step 3: Cross multiply
    489,040.64x = 733,560.96 × 322,789.76
  4. Step 4: Simplify right side
    489,040.64x = 236,785,966,223.77
  5. Step 5: Solve for x
    x = 236,785,966,223.77/489,040.64
  6. Step 6: Final answer
    x = 484,184.64

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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.