Home / 377,479.20-566,218.80-306,620.40

Finding the Fourth Proportional to 377,479.20, 566,218.80 and 306,620.40

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Solution

The fourth proportional to 377,479.20, 566,218.80 and 306,620.40 is: 459,930.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,479.20 : 566,218.80 = 306,620.40 : x
  2. Step 2: Convert to fraction form
    377,479.20/566,218.80 = 306,620.40/x
  3. Step 3: Cross multiply
    377,479.20x = 566,218.80 × 306,620.40
  4. Step 4: Simplify right side
    377,479.20x = 173,614,234,943.52
  5. Step 5: Solve for x
    x = 173,614,234,943.52/377,479.20
  6. Step 6: Final answer
    x = 459,930.60

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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.