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Finding the Fourth Proportional to 513,369.75, 766,294.43 and 452,768.52

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Solution

The fourth proportional to 513,369.75, 766,294.43 and 452,768.52 is: 675,836.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,369.75 : 766,294.43 = 452,768.52 : x
  2. Step 2: Convert to fraction form
    513,369.75/766,294.43 = 452,768.52/x
  3. Step 3: Cross multiply
    513,369.75x = 766,294.43 × 452,768.52
  4. Step 4: Simplify right side
    513,369.75x = 346,953,992,691.50
  5. Step 5: Solve for x
    x = 346,953,992,691.50/513,369.75
  6. Step 6: Final answer
    x = 675,836.46

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.