Home / 875,463.40-1,207,933.79-531,291.64

Finding the Fourth Proportional to 875,463.40, 1,207,933.79 and 531,291.64

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Solution

The fourth proportional to 875,463.40, 1,207,933.79 and 531,291.64 is: 733,057.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,463.40 : 1,207,933.79 = 531,291.64 : x
  2. Step 2: Convert to fraction form
    875,463.40/1,207,933.79 = 531,291.64/x
  3. Step 3: Cross multiply
    875,463.40x = 1,207,933.79 × 531,291.64
  4. Step 4: Simplify right side
    875,463.40x = 641,765,119,589.08
  5. Step 5: Solve for x
    x = 641,765,119,589.08/875,463.40
  6. Step 6: Final answer
    x = 733,057.63

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.