Home / 804,477.76-1,206,716.46-205,417.72

Finding the Fourth Proportional to 804,477.76, 1,206,716.46 and 205,417.72

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Solution

The fourth proportional to 804,477.76, 1,206,716.46 and 205,417.72 is: 308,126.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,477.76 : 1,206,716.46 = 205,417.72 : x
  2. Step 2: Convert to fraction form
    804,477.76/1,206,716.46 = 205,417.72/x
  3. Step 3: Cross multiply
    804,477.76x = 1,206,716.46 × 205,417.72
  4. Step 4: Simplify right side
    804,477.76x = 247,880,943,899.67
  5. Step 5: Solve for x
    x = 247,880,943,899.67/804,477.76
  6. Step 6: Final answer
    x = 308,126.53

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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.