Home / 709,472.25-1,063,284.25-288,255.69

Finding the Fourth Proportional to 709,472.25, 1,063,284.25 and 288,255.69

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Solution

The fourth proportional to 709,472.25, 1,063,284.25 and 288,255.69 is: 432,008.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,472.25 : 1,063,284.25 = 288,255.69 : x
  2. Step 2: Convert to fraction form
    709,472.25/1,063,284.25 = 288,255.69/x
  3. Step 3: Cross multiply
    709,472.25x = 1,063,284.25 × 288,255.69
  4. Step 4: Simplify right side
    709,472.25x = 306,497,735,149.88
  5. Step 5: Solve for x
    x = 306,497,735,149.88/709,472.25
  6. Step 6: Final answer
    x = 432,008.07

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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.