Home / 658,350.02-987,328.19-342,634.70

Finding the Fourth Proportional to 658,350.02, 987,328.19 and 342,634.70

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Solution

The fourth proportional to 658,350.02, 987,328.19 and 342,634.70 is: 513,849.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,350.02 : 987,328.19 = 342,634.70 : x
  2. Step 2: Convert to fraction form
    658,350.02/987,328.19 = 342,634.70/x
  3. Step 3: Cross multiply
    658,350.02x = 987,328.19 × 342,634.70
  4. Step 4: Simplify right side
    658,350.02x = 338,292,891,532.38
  5. Step 5: Solve for x
    x = 338,292,891,532.38/658,350.02
  6. Step 6: Final answer
    x = 513,849.60

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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.