Home / 709,473.81-1,063,286.59-288,257.25

Finding the Fourth Proportional to 709,473.81, 1,063,286.59 and 288,257.25

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Solution

The fourth proportional to 709,473.81, 1,063,286.59 and 288,257.25 is: 432,010.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,473.81 : 1,063,286.59 = 288,257.25 : x
  2. Step 2: Convert to fraction form
    709,473.81/1,063,286.59 = 288,257.25/x
  3. Step 3: Cross multiply
    709,473.81x = 1,063,286.59 × 288,257.25
  4. Step 4: Simplify right side
    709,473.81x = 306,500,068,395.28
  5. Step 5: Solve for x
    x = 306,500,068,395.28/709,473.81
  6. Step 6: Final answer
    x = 432,010.41

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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.