Home / 649,968.47-897,002.19-363,515.21

Finding the Fourth Proportional to 649,968.47, 897,002.19 and 363,515.21

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Solution

The fourth proportional to 649,968.47, 897,002.19 and 363,515.21 is: 501,676.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,968.47 : 897,002.19 = 363,515.21 : x
  2. Step 2: Convert to fraction form
    649,968.47/897,002.19 = 363,515.21/x
  3. Step 3: Cross multiply
    649,968.47x = 897,002.19 × 363,515.21
  4. Step 4: Simplify right side
    649,968.47x = 326,073,939,468.31
  5. Step 5: Solve for x
    x = 326,073,939,468.31/649,968.47
  6. Step 6: Final answer
    x = 501,676.55

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.