Home / 817,344.32-1,226,023.30-284,864.48

Finding the Fourth Proportional to 817,344.32, 1,226,023.30 and 284,864.48

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Solution

The fourth proportional to 817,344.32, 1,226,023.30 and 284,864.48 is: 427,299.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,344.32 : 1,226,023.30 = 284,864.48 : x
  2. Step 2: Convert to fraction form
    817,344.32/1,226,023.30 = 284,864.48/x
  3. Step 3: Cross multiply
    817,344.32x = 1,226,023.30 × 284,864.48
  4. Step 4: Simplify right side
    817,344.32x = 349,250,489,822.38
  5. Step 5: Solve for x
    x = 349,250,489,822.38/817,344.32
  6. Step 6: Final answer
    x = 427,299.10

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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.