Home / 765,717.86-1,148,309.06-225,830.94

Finding the Fourth Proportional to 765,717.86, 1,148,309.06 and 225,830.94

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Solution

The fourth proportional to 765,717.86, 1,148,309.06 and 225,830.94 is: 338,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    765,717.86 : 1,148,309.06 = 225,830.94 : x
  2. Step 2: Convert to fraction form
    765,717.86/1,148,309.06 = 225,830.94/x
  3. Step 3: Cross multiply
    765,717.86x = 1,148,309.06 × 225,830.94
  4. Step 4: Simplify right side
    765,717.86x = 259,323,708,995.00
  5. Step 5: Solve for x
    x = 259,323,708,995.00/765,717.86
  6. Step 6: Final answer
    x = 338,667.44

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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.