Home / 817,887.24-1,226,847.24-218,847.45

Finding the Fourth Proportional to 817,887.24, 1,226,847.24 and 218,847.45

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Solution

The fourth proportional to 817,887.24, 1,226,847.24 and 218,847.45 is: 328,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,887.24 : 1,226,847.24 = 218,847.45 : x
  2. Step 2: Convert to fraction form
    817,887.24/1,226,847.24 = 218,847.45/x
  3. Step 3: Cross multiply
    817,887.24x = 1,226,847.24 × 218,847.45
  4. Step 4: Simplify right side
    817,887.24x = 268,492,390,013.54
  5. Step 5: Solve for x
    x = 268,492,390,013.54/817,887.24
  6. Step 6: Final answer
    x = 328,275.56

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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.