Home / 685,184.76-1,027,423.01-300,776.29

Finding the Fourth Proportional to 685,184.76, 1,027,423.01 and 300,776.29

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Solution

The fourth proportional to 685,184.76, 1,027,423.01 and 300,776.29 is: 451,008.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    685,184.76 : 1,027,423.01 = 300,776.29 : x
  2. Step 2: Convert to fraction form
    685,184.76/1,027,423.01 = 300,776.29/x
  3. Step 3: Cross multiply
    685,184.76x = 1,027,423.01 × 300,776.29
  4. Step 4: Simplify right side
    685,184.76x = 309,024,479,497.54
  5. Step 5: Solve for x
    x = 309,024,479,497.54/685,184.76
  6. Step 6: Final answer
    x = 451,008.98

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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.