Home / 765,718.90-1,148,650.63-225,977.22

Finding the Fourth Proportional to 765,718.90, 1,148,650.63 and 225,977.22

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Solution

The fourth proportional to 765,718.90, 1,148,650.63 and 225,977.22 is: 338,987.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,718.90 : 1,148,650.63 = 225,977.22 : x
  2. Step 2: Convert to fraction form
    765,718.90/1,148,650.63 = 225,977.22/x
  3. Step 3: Cross multiply
    765,718.90x = 1,148,650.63 × 225,977.22
  4. Step 4: Simplify right side
    765,718.90x = 259,568,877,860.39
  5. Step 5: Solve for x
    x = 259,568,877,860.39/765,718.90
  6. Step 6: Final answer
    x = 338,987.16

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1.5x scale

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.