Home / 529,766.89-731,073.21-288,049.52

Finding the Fourth Proportional to 529,766.89, 731,073.21 and 288,049.52

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Solution

The fourth proportional to 529,766.89, 731,073.21 and 288,049.52 is: 397,505.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,766.89 : 731,073.21 = 288,049.52 : x
  2. Step 2: Convert to fraction form
    529,766.89/731,073.21 = 288,049.52/x
  3. Step 3: Cross multiply
    529,766.89x = 731,073.21 × 288,049.52
  4. Step 4: Simplify right side
    529,766.89x = 210,585,287,225.36
  5. Step 5: Solve for x
    x = 210,585,287,225.36/529,766.89
  6. Step 6: Final answer
    x = 397,505.57

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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.