Home / 733,223.81-1,011,846.47-427,481.21

Finding the Fourth Proportional to 733,223.81, 1,011,846.47 and 427,481.21

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Solution

The fourth proportional to 733,223.81, 1,011,846.47 and 427,481.21 is: 589,922.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,223.81 : 1,011,846.47 = 427,481.21 : x
  2. Step 2: Convert to fraction form
    733,223.81/1,011,846.47 = 427,481.21/x
  3. Step 3: Cross multiply
    733,223.81x = 1,011,846.47 × 427,481.21
  4. Step 4: Simplify right side
    733,223.81x = 432,545,353,722.04
  5. Step 5: Solve for x
    x = 432,545,353,722.04/733,223.81
  6. Step 6: Final answer
    x = 589,922.68

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.