Home / 804,541.78-1,206,811.62-205,503.40

Finding the Fourth Proportional to 804,541.78, 1,206,811.62 and 205,503.40

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Solution

The fourth proportional to 804,541.78, 1,206,811.62 and 205,503.40 is: 308,254.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,541.78 : 1,206,811.62 = 205,503.40 : x
  2. Step 2: Convert to fraction form
    804,541.78/1,206,811.62 = 205,503.40/x
  3. Step 3: Cross multiply
    804,541.78x = 1,206,811.62 × 205,503.40
  4. Step 4: Simplify right side
    804,541.78x = 248,003,891,069.51
  5. Step 5: Solve for x
    x = 248,003,891,069.51/804,541.78
  6. Step 6: Final answer
    x = 308,254.83

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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.