Home / 804,384.63-1,206,575.55-205,345.71

Finding the Fourth Proportional to 804,384.63, 1,206,575.55 and 205,345.71

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Solution

The fourth proportional to 804,384.63, 1,206,575.55 and 205,345.71 is: 308,018.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,384.63 : 1,206,575.55 = 205,345.71 : x
  2. Step 2: Convert to fraction form
    804,384.63/1,206,575.55 = 205,345.71/x
  3. Step 3: Cross multiply
    804,384.63x = 1,206,575.55 × 205,345.71
  4. Step 4: Simplify right side
    804,384.63x = 247,765,112,983.39
  5. Step 5: Solve for x
    x = 247,765,112,983.39/804,384.63
  6. Step 6: Final answer
    x = 308,018.21

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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.