Home / 579,742.20-869,613.30-501,982.20

Finding the Fourth Proportional to 579,742.20, 869,613.30 and 501,982.20

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Solution

The fourth proportional to 579,742.20, 869,613.30 and 501,982.20 is: 752,973.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,742.20 : 869,613.30 = 501,982.20 : x
  2. Step 2: Convert to fraction form
    579,742.20/869,613.30 = 501,982.20/x
  3. Step 3: Cross multiply
    579,742.20x = 869,613.30 × 501,982.20
  4. Step 4: Simplify right side
    579,742.20x = 436,530,397,483.26
  5. Step 5: Solve for x
    x = 436,530,397,483.26/579,742.20
  6. Step 6: Final answer
    x = 752,973.30

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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.