Home / 658,350.57-987,329.03-342,635.25

Finding the Fourth Proportional to 658,350.57, 987,329.03 and 342,635.25

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Solution

The fourth proportional to 658,350.57, 987,329.03 and 342,635.25 is: 513,850.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,350.57 : 987,329.03 = 342,635.25 : x
  2. Step 2: Convert to fraction form
    658,350.57/987,329.03 = 342,635.25/x
  3. Step 3: Cross multiply
    658,350.57x = 987,329.03 × 342,635.25
  4. Step 4: Simplify right side
    658,350.57x = 338,293,732,300.50
  5. Step 5: Solve for x
    x = 338,293,732,300.50/658,350.57
  6. Step 6: Final answer
    x = 513,850.44

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1.5x scale

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.