Home / 513,280.39-769,912.10-153,452.07

Finding the Fourth Proportional to 513,280.39, 769,912.10 and 153,452.07

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Solution

The fourth proportional to 513,280.39, 769,912.10 and 153,452.07 is: 230,175.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,280.39 : 769,912.10 = 153,452.07 : x
  2. Step 2: Convert to fraction form
    513,280.39/769,912.10 = 153,452.07/x
  3. Step 3: Cross multiply
    513,280.39x = 769,912.10 × 153,452.07
  4. Step 4: Simplify right side
    513,280.39x = 118,144,604,695.79
  5. Step 5: Solve for x
    x = 118,144,604,695.79/513,280.39
  6. Step 6: Final answer
    x = 230,175.57

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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.