Home / 817,134.39-1,225,707.03-284,665.50

Finding the Fourth Proportional to 817,134.39, 1,225,707.03 and 284,665.50

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Solution

The fourth proportional to 817,134.39, 1,225,707.03 and 284,665.50 is: 427,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,134.39 : 1,225,707.03 = 284,665.50 : x
  2. Step 2: Convert to fraction form
    817,134.39/1,225,707.03 = 284,665.50/x
  3. Step 3: Cross multiply
    817,134.39x = 1,225,707.03 × 284,665.50
  4. Step 4: Simplify right side
    817,134.39x = 348,916,504,548.47
  5. Step 5: Solve for x
    x = 348,916,504,548.47/817,134.39
  6. Step 6: Final answer
    x = 427,000.15

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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.