Home / 489,025.70-733,538.55-459,501.20

Finding the Fourth Proportional to 489,025.70, 733,538.55 and 459,501.20

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Solution

The fourth proportional to 489,025.70, 733,538.55 and 459,501.20 is: 689,251.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    489,025.70 : 733,538.55 = 459,501.20 : x
  2. Step 2: Convert to fraction form
    489,025.70/733,538.55 = 459,501.20/x
  3. Step 3: Cross multiply
    489,025.70x = 733,538.55 × 459,501.20
  4. Step 4: Simplify right side
    489,025.70x = 337,061,843,971.26
  5. Step 5: Solve for x
    x = 337,061,843,971.26/489,025.70
  6. Step 6: Final answer
    x = 689,251.80

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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.