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Finding the Fourth Proportional to 621,891, 932,799.44 and 365,867.42

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Solution

The fourth proportional to 621,891, 932,799.44 and 365,867.42 is: 548,779.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,891 : 932,799.44 = 365,867.42 : x
  2. Step 2: Convert to fraction form
    621,891/932,799.44 = 365,867.42/x
  3. Step 3: Cross multiply
    621,891x = 932,799.44 × 365,867.42
  4. Step 4: Simplify right side
    621,891x = 341,280,920,740.92
  5. Step 5: Solve for x
    x = 341,280,920,740.92/621,891
  6. Step 6: Final answer
    x = 548,779.32

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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.