Home / 817,753.13-1,226,629.41-218,698.72

Finding the Fourth Proportional to 817,753.13, 1,226,629.41 and 218,698.72

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Solution

The fourth proportional to 817,753.13, 1,226,629.41 and 218,698.72 is: 328,048.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,753.13 : 1,226,629.41 = 218,698.72 : x
  2. Step 2: Convert to fraction form
    817,753.13/1,226,629.41 = 218,698.72/x
  3. Step 3: Cross multiply
    817,753.13x = 1,226,629.41 × 218,698.72
  4. Step 4: Simplify right side
    817,753.13x = 268,262,280,210.99
  5. Step 5: Solve for x
    x = 268,262,280,210.99/817,753.13
  6. Step 6: Final answer
    x = 328,048.00

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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.