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Finding the Fourth Proportional to 852,290.84, 1,279,007 and 353,655.32

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Solution

The fourth proportional to 852,290.84, 1,279,007 and 353,655.32 is: 530,719.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,290.84 : 1,279,007 = 353,655.32 : x
  2. Step 2: Convert to fraction form
    852,290.84/1,279,007 = 353,655.32/x
  3. Step 3: Cross multiply
    852,290.84x = 1,279,007 × 353,655.32
  4. Step 4: Simplify right side
    852,290.84x = 452,327,629,867.24
  5. Step 5: Solve for x
    x = 452,327,629,867.24/852,290.84
  6. Step 6: Final answer
    x = 530,719.81

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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.