Home / 437,544.80-656,317.20-418,882.40

Finding the Fourth Proportional to 437,544.80, 656,317.20 and 418,882.40

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Solution

The fourth proportional to 437,544.80, 656,317.20 and 418,882.40 is: 628,323.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,544.80 : 656,317.20 = 418,882.40 : x
  2. Step 2: Convert to fraction form
    437,544.80/656,317.20 = 418,882.40/x
  3. Step 3: Cross multiply
    437,544.80x = 656,317.20 × 418,882.40
  4. Step 4: Simplify right side
    437,544.80x = 274,919,723,897.28
  5. Step 5: Solve for x
    x = 274,919,723,897.28/437,544.80
  6. Step 6: Final answer
    x = 628,323.60

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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.