Home / 669,909.32-1,003,074.78-563,621

Finding the Fourth Proportional to 669,909.32, 1,003,074.78 and 563,621

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Solution

The fourth proportional to 669,909.32, 1,003,074.78 and 563,621 is: 843,926.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,909.32 : 1,003,074.78 = 563,621 : x
  2. Step 2: Convert to fraction form
    669,909.32/1,003,074.78 = 563,621/x
  3. Step 3: Cross multiply
    669,909.32x = 1,003,074.78 × 563,621
  4. Step 4: Simplify right side
    669,909.32x = 565,354,010,578.38
  5. Step 5: Solve for x
    x = 565,354,010,578.38/669,909.32
  6. Step 6: Final answer
    x = 843,926.18

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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.