Home / 709,003.24-1,063,710.78-229,220.80

Finding the Fourth Proportional to 709,003.24, 1,063,710.78 and 229,220.80

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Solution

The fourth proportional to 709,003.24, 1,063,710.78 and 229,220.80 is: 343,897.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,003.24 : 1,063,710.78 = 229,220.80 : x
  2. Step 2: Convert to fraction form
    709,003.24/1,063,710.78 = 229,220.80/x
  3. Step 3: Cross multiply
    709,003.24x = 1,063,710.78 × 229,220.80
  4. Step 4: Simplify right side
    709,003.24x = 243,824,635,960.22
  5. Step 5: Solve for x
    x = 243,824,635,960.22/709,003.24
  6. Step 6: Final answer
    x = 343,897.77

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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.