Home / 817,464.84-1,226,404.68-256,504.20

Finding the Fourth Proportional to 817,464.84, 1,226,404.68 and 256,504.20

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Solution

The fourth proportional to 817,464.84, 1,226,404.68 and 256,504.20 is: 384,821.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,464.84 : 1,226,404.68 = 256,504.20 : x
  2. Step 2: Convert to fraction form
    817,464.84/1,226,404.68 = 256,504.20/x
  3. Step 3: Cross multiply
    817,464.84x = 1,226,404.68 × 256,504.20
  4. Step 4: Simplify right side
    817,464.84x = 314,577,951,319.66
  5. Step 5: Solve for x
    x = 314,577,951,319.66/817,464.84
  6. Step 6: Final answer
    x = 384,821.38

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1.5x scale

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.