Home / 439,877.20-659,378.40-202,806.40

Finding the Fourth Proportional to 439,877.20, 659,378.40 and 202,806.40

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Solution

The fourth proportional to 439,877.20, 659,378.40 and 202,806.40 is: 304,007.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,877.20 : 659,378.40 = 202,806.40 : x
  2. Step 2: Convert to fraction form
    439,877.20/659,378.40 = 202,806.40/x
  3. Step 3: Cross multiply
    439,877.20x = 659,378.40 × 202,806.40
  4. Step 4: Simplify right side
    439,877.20x = 133,726,159,541.76
  5. Step 5: Solve for x
    x = 133,726,159,541.76/439,877.20
  6. Step 6: Final answer
    x = 304,007.94

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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.