Home / 551,808.90-826,619.85-486,053.10

Finding the Fourth Proportional to 551,808.90, 826,619.85 and 486,053.10

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Solution

The fourth proportional to 551,808.90, 826,619.85 and 486,053.10 is: 728,116.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,808.90 : 826,619.85 = 486,053.10 : x
  2. Step 2: Convert to fraction form
    551,808.90/826,619.85 = 486,053.10/x
  3. Step 3: Cross multiply
    551,808.90x = 826,619.85 × 486,053.10
  4. Step 4: Simplify right side
    551,808.90x = 401,781,140,614.04
  5. Step 5: Solve for x
    x = 401,781,140,614.04/551,808.90
  6. Step 6: Final answer
    x = 728,116.46

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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.