Home / 540,632.30-811,281.98-274,583.75

Finding the Fourth Proportional to 540,632.30, 811,281.98 and 274,583.75

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Solution

The fourth proportional to 540,632.30, 811,281.98 and 274,583.75 is: 412,045.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,632.30 : 811,281.98 = 274,583.75 : x
  2. Step 2: Convert to fraction form
    540,632.30/811,281.98 = 274,583.75/x
  3. Step 3: Cross multiply
    540,632.30x = 811,281.98 × 274,583.75
  4. Step 4: Simplify right side
    540,632.30x = 222,764,849,031.11
  5. Step 5: Solve for x
    x = 222,764,849,031.11/540,632.30
  6. Step 6: Final answer
    x = 412,045.02

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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.