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Finding the Fourth Proportional to 872,891.80, 1,309,337.70 and 241,805.32

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Solution

The fourth proportional to 872,891.80, 1,309,337.70 and 241,805.32 is: 362,707.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,891.80 : 1,309,337.70 = 241,805.32 : x
  2. Step 2: Convert to fraction form
    872,891.80/1,309,337.70 = 241,805.32/x
  3. Step 3: Cross multiply
    872,891.80x = 1,309,337.70 × 241,805.32
  4. Step 4: Simplify right side
    872,891.80x = 316,604,821,536.56
  5. Step 5: Solve for x
    x = 316,604,821,536.56/872,891.80
  6. Step 6: Final answer
    x = 362,707.98

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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.