Home / 909,501.68-1,364,019.81-269,655.80

Finding the Fourth Proportional to 909,501.68, 1,364,019.81 and 269,655.80

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Solution

The fourth proportional to 909,501.68, 1,364,019.81 and 269,655.80 is: 404,414.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,501.68 : 1,364,019.81 = 269,655.80 : x
  2. Step 2: Convert to fraction form
    909,501.68/1,364,019.81 = 269,655.80/x
  3. Step 3: Cross multiply
    909,501.68x = 1,364,019.81 × 269,655.80
  4. Step 4: Simplify right side
    909,501.68x = 367,815,846,261.30
  5. Step 5: Solve for x
    x = 367,815,846,261.30/909,501.68
  6. Step 6: Final answer
    x = 404,414.70

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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.