Home / 817,592.88-1,226,394.78-285,111.84

Finding the Fourth Proportional to 817,592.88, 1,226,394.78 and 285,111.84

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Solution

The fourth proportional to 817,592.88, 1,226,394.78 and 285,111.84 is: 427,669.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,592.88 : 1,226,394.78 = 285,111.84 : x
  2. Step 2: Convert to fraction form
    817,592.88/1,226,394.78 = 285,111.84/x
  3. Step 3: Cross multiply
    817,592.88x = 1,226,394.78 × 285,111.84
  4. Step 4: Simplify right side
    817,592.88x = 349,659,672,292.20
  5. Step 5: Solve for x
    x = 349,659,672,292.20/817,592.88
  6. Step 6: Final answer
    x = 427,669.66

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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.