Home / 649,450.54-896,164.05-359,023.02

Finding the Fourth Proportional to 649,450.54, 896,164.05 and 359,023.02

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Solution

The fourth proportional to 649,450.54, 896,164.05 and 359,023.02 is: 495,408.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,450.54 : 896,164.05 = 359,023.02 : x
  2. Step 2: Convert to fraction form
    649,450.54/896,164.05 = 359,023.02/x
  3. Step 3: Cross multiply
    649,450.54x = 896,164.05 × 359,023.02
  4. Step 4: Simplify right side
    649,450.54x = 321,743,523,646.43
  5. Step 5: Solve for x
    x = 321,743,523,646.43/649,450.54
  6. Step 6: Final answer
    x = 495,408.82

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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.