Home / 693,543.16-1,040,350.74-220,265.56

Finding the Fourth Proportional to 693,543.16, 1,040,350.74 and 220,265.56

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Solution

The fourth proportional to 693,543.16, 1,040,350.74 and 220,265.56 is: 330,409.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,543.16 : 1,040,350.74 = 220,265.56 : x
  2. Step 2: Convert to fraction form
    693,543.16/1,040,350.74 = 220,265.56/x
  3. Step 3: Cross multiply
    693,543.16x = 1,040,350.74 × 220,265.56
  4. Step 4: Simplify right side
    693,543.16x = 229,153,438,342.51
  5. Step 5: Solve for x
    x = 229,153,438,342.51/693,543.16
  6. Step 6: Final answer
    x = 330,409.77

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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.