Home / 693,524.54-1,040,332.18-213,693.50

Finding the Fourth Proportional to 693,524.54, 1,040,332.18 and 213,693.50

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Solution

The fourth proportional to 693,524.54, 1,040,332.18 and 213,693.50 is: 320,554.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,524.54 : 1,040,332.18 = 213,693.50 : x
  2. Step 2: Convert to fraction form
    693,524.54/1,040,332.18 = 213,693.50/x
  3. Step 3: Cross multiply
    693,524.54x = 1,040,332.18 × 213,693.50
  4. Step 4: Simplify right side
    693,524.54x = 222,312,224,706.83
  5. Step 5: Solve for x
    x = 222,312,224,706.83/693,524.54
  6. Step 6: Final answer
    x = 320,554.23

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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.