Home / 326,451.03-487,025.68-308,794.65

Finding the Fourth Proportional to 326,451.03, 487,025.68 and 308,794.65

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Solution

The fourth proportional to 326,451.03, 487,025.68 and 308,794.65 is: 460,684.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,451.03 : 487,025.68 = 308,794.65 : x
  2. Step 2: Convert to fraction form
    326,451.03/487,025.68 = 308,794.65/x
  3. Step 3: Cross multiply
    326,451.03x = 487,025.68 × 308,794.65
  4. Step 4: Simplify right side
    326,451.03x = 150,390,924,396.61
  5. Step 5: Solve for x
    x = 150,390,924,396.61/326,451.03
  6. Step 6: Final answer
    x = 460,684.48

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.