Home / 791,279.20-1,091,965.90-464,528.26

Finding the Fourth Proportional to 791,279.20, 1,091,965.90 and 464,528.26

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Solution

The fourth proportional to 791,279.20, 1,091,965.90 and 464,528.26 is: 641,049.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,279.20 : 1,091,965.90 = 464,528.26 : x
  2. Step 2: Convert to fraction form
    791,279.20/1,091,965.90 = 464,528.26/x
  3. Step 3: Cross multiply
    791,279.20x = 1,091,965.90 × 464,528.26
  4. Step 4: Simplify right side
    791,279.20x = 507,249,019,506.33
  5. Step 5: Solve for x
    x = 507,249,019,506.33/791,279.20
  6. Step 6: Final answer
    x = 641,049.35

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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.