Home / 489,032.20-733,548.30-459,507.70

Finding the Fourth Proportional to 489,032.20, 733,548.30 and 459,507.70

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Solution

The fourth proportional to 489,032.20, 733,548.30 and 459,507.70 is: 689,261.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,032.20 : 733,548.30 = 459,507.70 : x
  2. Step 2: Convert to fraction form
    489,032.20/733,548.30 = 459,507.70/x
  3. Step 3: Cross multiply
    489,032.20x = 733,548.30 × 459,507.70
  4. Step 4: Simplify right side
    489,032.20x = 337,071,092,171.91
  5. Step 5: Solve for x
    x = 337,071,092,171.91/489,032.20
  6. Step 6: Final answer
    x = 689,261.55

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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.