Home / 799,616.60-1,102,756.34-663,434.84

Finding the Fourth Proportional to 799,616.60, 1,102,756.34 and 663,434.84

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Solution

The fourth proportional to 799,616.60, 1,102,756.34 and 663,434.84 is: 914,947.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    799,616.60 : 1,102,756.34 = 663,434.84 : x
  2. Step 2: Convert to fraction form
    799,616.60/1,102,756.34 = 663,434.84/x
  3. Step 3: Cross multiply
    799,616.60x = 1,102,756.34 × 663,434.84
  4. Step 4: Simplify right side
    799,616.60x = 731,606,975,986.89
  5. Step 5: Solve for x
    x = 731,606,975,986.89/799,616.60
  6. Step 6: Final answer
    x = 914,947.21

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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.