Home / 691,140.45-1,036,710.68-292,231.65

Finding the Fourth Proportional to 691,140.45, 1,036,710.68 and 292,231.65

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Solution

The fourth proportional to 691,140.45, 1,036,710.68 and 292,231.65 is: 438,347.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,140.45 : 1,036,710.68 = 292,231.65 : x
  2. Step 2: Convert to fraction form
    691,140.45/1,036,710.68 = 292,231.65/x
  3. Step 3: Cross multiply
    691,140.45x = 1,036,710.68 × 292,231.65
  4. Step 4: Simplify right side
    691,140.45x = 302,959,672,589.02
  5. Step 5: Solve for x
    x = 302,959,672,589.02/691,140.45
  6. Step 6: Final answer
    x = 438,347.48

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Similar ratio
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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.