Home / 765,625.07-1,148,610.61-253,289.00

Finding the Fourth Proportional to 765,625.07, 1,148,610.61 and 253,289.00

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Solution

The fourth proportional to 765,625.07, 1,148,610.61 and 253,289.00 is: 379,990.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,625.07 : 1,148,610.61 = 253,289.00 : x
  2. Step 2: Convert to fraction form
    765,625.07/1,148,610.61 = 253,289.00/x
  3. Step 3: Cross multiply
    765,625.07x = 1,148,610.61 × 253,289.00
  4. Step 4: Simplify right side
    765,625.07x = 290,930,436,617.65
  5. Step 5: Solve for x
    x = 290,930,436,617.65/765,625.07
  6. Step 6: Final answer
    x = 379,990.74

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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.