Home / 709,617.19-1,064,588.79-204,182.36

Finding the Fourth Proportional to 709,617.19, 1,064,588.79 and 204,182.36

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Solution

The fourth proportional to 709,617.19, 1,064,588.79 and 204,182.36 is: 306,320.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,617.19 : 1,064,588.79 = 204,182.36 : x
  2. Step 2: Convert to fraction form
    709,617.19/1,064,588.79 = 204,182.36/x
  3. Step 3: Cross multiply
    709,617.19x = 1,064,588.79 × 204,182.36
  4. Step 4: Simplify right side
    709,617.19x = 217,370,251,571.74
  5. Step 5: Solve for x
    x = 217,370,251,571.74/709,617.19
  6. Step 6: Final answer
    x = 306,320.44

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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.