Home / 817,728.64-1,226,753.43-285,267.04

Finding the Fourth Proportional to 817,728.64, 1,226,753.43 and 285,267.04

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Solution

The fourth proportional to 817,728.64, 1,226,753.43 and 285,267.04 is: 427,956.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,728.64 : 1,226,753.43 = 285,267.04 : x
  2. Step 2: Convert to fraction form
    817,728.64/1,226,753.43 = 285,267.04/x
  3. Step 3: Cross multiply
    817,728.64x = 1,226,753.43 × 285,267.04
  4. Step 4: Simplify right side
    817,728.64x = 349,952,319,785.95
  5. Step 5: Solve for x
    x = 349,952,319,785.95/817,728.64
  6. Step 6: Final answer
    x = 427,956.54

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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.