Home / 513,237.42-769,981.59-361,729.96

Finding the Fourth Proportional to 513,237.42, 769,981.59 and 361,729.96

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Solution

The fourth proportional to 513,237.42, 769,981.59 and 361,729.96 is: 542,683.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,237.42 : 769,981.59 = 361,729.96 : x
  2. Step 2: Convert to fraction form
    513,237.42/769,981.59 = 361,729.96/x
  3. Step 3: Cross multiply
    513,237.42x = 769,981.59 × 361,729.96
  4. Step 4: Simplify right side
    513,237.42x = 278,525,407,826.48
  5. Step 5: Solve for x
    x = 278,525,407,826.48/513,237.42
  6. Step 6: Final answer
    x = 542,683.36

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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.