Home / 691,252.56-1,036,844.28-270,605.52

Finding the Fourth Proportional to 691,252.56, 1,036,844.28 and 270,605.52

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Solution

The fourth proportional to 691,252.56, 1,036,844.28 and 270,605.52 is: 405,894.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,252.56 : 1,036,844.28 = 270,605.52 : x
  2. Step 2: Convert to fraction form
    691,252.56/1,036,844.28 = 270,605.52/x
  3. Step 3: Cross multiply
    691,252.56x = 1,036,844.28 × 270,605.52
  4. Step 4: Simplify right side
    691,252.56x = 280,575,785,548.43
  5. Step 5: Solve for x
    x = 280,575,785,548.43/691,252.56
  6. Step 6: Final answer
    x = 405,894.75

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1.5x scale

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.