Home / 817,848.42-1,226,821.64-256,882.92

Finding the Fourth Proportional to 817,848.42, 1,226,821.64 and 256,882.92

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Solution

The fourth proportional to 817,848.42, 1,226,821.64 and 256,882.92 is: 385,339.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,848.42 : 1,226,821.64 = 256,882.92 : x
  2. Step 2: Convert to fraction form
    817,848.42/1,226,821.64 = 256,882.92/x
  3. Step 3: Cross multiply
    817,848.42x = 1,226,821.64 × 256,882.92
  4. Step 4: Simplify right side
    817,848.42x = 315,149,525,202.39
  5. Step 5: Solve for x
    x = 315,149,525,202.39/817,848.42
  6. Step 6: Final answer
    x = 385,339.77

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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.