Home / 551,619.70-826,992.15-302,301.70

Finding the Fourth Proportional to 551,619.70, 826,992.15 and 302,301.70

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Solution

The fourth proportional to 551,619.70, 826,992.15 and 302,301.70 is: 453,212.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    551,619.70 : 826,992.15 = 302,301.70 : x
  2. Step 2: Convert to fraction form
    551,619.70/826,992.15 = 302,301.70/x
  3. Step 3: Cross multiply
    551,619.70x = 826,992.15 × 302,301.70
  4. Step 4: Simplify right side
    551,619.70x = 250,001,132,831.66
  5. Step 5: Solve for x
    x = 250,001,132,831.66/551,619.70
  6. Step 6: Final answer
    x = 453,212.84

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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.