Home / 622,521.20-934,656.60-386,325.20

Finding the Fourth Proportional to 622,521.20, 934,656.60 and 386,325.20

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Solution

The fourth proportional to 622,521.20, 934,656.60 and 386,325.20 is: 580,030.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,521.20 : 934,656.60 = 386,325.20 : x
  2. Step 2: Convert to fraction form
    622,521.20/934,656.60 = 386,325.20/x
  3. Step 3: Cross multiply
    622,521.20x = 934,656.60 × 386,325.20
  4. Step 4: Simplify right side
    622,521.20x = 361,081,397,926.32
  5. Step 5: Solve for x
    x = 361,081,397,926.32/622,521.20
  6. Step 6: Final answer
    x = 580,030.68

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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.