Home / 817,341.81-1,226,019.56-284,861.98

Finding the Fourth Proportional to 817,341.81, 1,226,019.56 and 284,861.98

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Solution

The fourth proportional to 817,341.81, 1,226,019.56 and 284,861.98 is: 427,295.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,341.81 : 1,226,019.56 = 284,861.98 : x
  2. Step 2: Convert to fraction form
    817,341.81/1,226,019.56 = 284,861.98/x
  3. Step 3: Cross multiply
    817,341.81x = 1,226,019.56 × 284,861.98
  4. Step 4: Simplify right side
    817,341.81x = 349,246,359,380.33
  5. Step 5: Solve for x
    x = 349,246,359,380.33/817,341.81
  6. Step 6: Final answer
    x = 427,295.36

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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.