Home / 804,753.73-1,207,125.81-205,713.93

Finding the Fourth Proportional to 804,753.73, 1,207,125.81 and 205,713.93

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Solution

The fourth proportional to 804,753.73, 1,207,125.81 and 205,713.93 is: 308,569.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,753.73 : 1,207,125.81 = 205,713.93 : x
  2. Step 2: Convert to fraction form
    804,753.73/1,207,125.81 = 205,713.93/x
  3. Step 3: Cross multiply
    804,753.73x = 1,207,125.81 × 205,713.93
  4. Step 4: Simplify right side
    804,753.73x = 248,322,592,694.74
  5. Step 5: Solve for x
    x = 248,322,592,694.74/804,753.73
  6. Step 6: Final answer
    x = 308,569.67

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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.