Home / 691,505.85-1,036,667.10-265,347.48

Finding the Fourth Proportional to 691,505.85, 1,036,667.10 and 265,347.48

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Solution

The fourth proportional to 691,505.85, 1,036,667.10 and 265,347.48 is: 397,794.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,505.85 : 1,036,667.10 = 265,347.48 : x
  2. Step 2: Convert to fraction form
    691,505.85/1,036,667.10 = 265,347.48/x
  3. Step 3: Cross multiply
    691,505.85x = 1,036,667.10 × 265,347.48
  4. Step 4: Simplify right side
    691,505.85x = 275,077,002,583.91
  5. Step 5: Solve for x
    x = 275,077,002,583.91/691,505.85
  6. Step 6: Final answer
    x = 397,794.18

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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.