Home / 827,769.50-1,240,615.46-353,897.90

Finding the Fourth Proportional to 827,769.50, 1,240,615.46 and 353,897.90

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Solution

The fourth proportional to 827,769.50, 1,240,615.46 and 353,897.90 is: 530,402.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,769.50 : 1,240,615.46 = 353,897.90 : x
  2. Step 2: Convert to fraction form
    827,769.50/1,240,615.46 = 353,897.90/x
  3. Step 3: Cross multiply
    827,769.50x = 1,240,615.46 × 353,897.90
  4. Step 4: Simplify right side
    827,769.50x = 439,051,206,001.53
  5. Step 5: Solve for x
    x = 439,051,206,001.53/827,769.50
  6. Step 6: Final answer
    x = 530,402.73

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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.