Home / 804,384.40-1,206,575.46-205,345.56

Finding the Fourth Proportional to 804,384.40, 1,206,575.46 and 205,345.56

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Solution

The fourth proportional to 804,384.40, 1,206,575.46 and 205,345.56 is: 308,018.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,384.40 : 1,206,575.46 = 205,345.56 : x
  2. Step 2: Convert to fraction form
    804,384.40/1,206,575.46 = 205,345.56/x
  3. Step 3: Cross multiply
    804,384.40x = 1,206,575.46 × 205,345.56
  4. Step 4: Simplify right side
    804,384.40x = 247,764,913,515.96
  5. Step 5: Solve for x
    x = 247,764,913,515.96/804,384.40
  6. Step 6: Final answer
    x = 308,018.05

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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.