Home / 489,028.20-733,542.30-459,503.70

Finding the Fourth Proportional to 489,028.20, 733,542.30 and 459,503.70

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Solution

The fourth proportional to 489,028.20, 733,542.30 and 459,503.70 is: 689,255.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,028.20 : 733,542.30 = 459,503.70 : x
  2. Step 2: Convert to fraction form
    489,028.20/733,542.30 = 459,503.70/x
  3. Step 3: Cross multiply
    489,028.20x = 733,542.30 × 459,503.70
  4. Step 4: Simplify right side
    489,028.20x = 337,065,400,956.51
  5. Step 5: Solve for x
    x = 337,065,400,956.51/489,028.20
  6. Step 6: Final answer
    x = 689,255.55

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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.