Home / 804,515.69-1,206,757.71-324,730.76

Finding the Fourth Proportional to 804,515.69, 1,206,757.71 and 324,730.76

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Solution

The fourth proportional to 804,515.69, 1,206,757.71 and 324,730.76 is: 487,089.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,515.69 : 1,206,757.71 = 324,730.76 : x
  2. Step 2: Convert to fraction form
    804,515.69/1,206,757.71 = 324,730.76/x
  3. Step 3: Cross multiply
    804,515.69x = 1,206,757.71 × 324,730.76
  4. Step 4: Simplify right side
    804,515.69x = 391,871,342,270.37
  5. Step 5: Solve for x
    x = 391,871,342,270.37/804,515.69
  6. Step 6: Final answer
    x = 487,089.74

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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.