Home / 540,636.49-811,288.25-274,587.94

Finding the Fourth Proportional to 540,636.49, 811,288.25 and 274,587.94

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Solution

The fourth proportional to 540,636.49, 811,288.25 and 274,587.94 is: 412,051.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,636.49 : 811,288.25 = 274,587.94 : x
  2. Step 2: Convert to fraction form
    540,636.49/811,288.25 = 274,587.94/x
  3. Step 3: Cross multiply
    540,636.49x = 811,288.25 × 274,587.94
  4. Step 4: Simplify right side
    540,636.49x = 222,769,969,313.71
  5. Step 5: Solve for x
    x = 222,769,969,313.71/540,636.49
  6. Step 6: Final answer
    x = 412,051.30

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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.