Home / 540,067.20-808,545.60-330,115.20

Finding the Fourth Proportional to 540,067.20, 808,545.60 and 330,115.20

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Solution

The fourth proportional to 540,067.20, 808,545.60 and 330,115.20 is: 494,222.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,067.20 : 808,545.60 = 330,115.20 : x
  2. Step 2: Convert to fraction form
    540,067.20/808,545.60 = 330,115.20/x
  3. Step 3: Cross multiply
    540,067.20x = 808,545.60 × 330,115.20
  4. Step 4: Simplify right side
    540,067.20x = 266,913,192,453.12
  5. Step 5: Solve for x
    x = 266,913,192,453.12/540,067.20
  6. Step 6: Final answer
    x = 494,222.19

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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.