Home / 817,591.08-1,226,392.09-285,110.04

Finding the Fourth Proportional to 817,591.08, 1,226,392.09 and 285,110.04

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Solution

The fourth proportional to 817,591.08, 1,226,392.09 and 285,110.04 is: 427,666.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,591.08 : 1,226,392.09 = 285,110.04 : x
  2. Step 2: Convert to fraction form
    817,591.08/1,226,392.09 = 285,110.04/x
  3. Step 3: Cross multiply
    817,591.08x = 1,226,392.09 × 285,110.04
  4. Step 4: Simplify right side
    817,591.08x = 349,656,703,325.52
  5. Step 5: Solve for x
    x = 349,656,703,325.52/817,591.08
  6. Step 6: Final answer
    x = 427,666.97

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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.