Home / 732,022.18-1,098,222.58-428,672.52

Finding the Fourth Proportional to 732,022.18, 1,098,222.58 and 428,672.52

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Solution

The fourth proportional to 732,022.18, 1,098,222.58 and 428,672.52 is: 643,119.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    732,022.18 : 1,098,222.58 = 428,672.52 : x
  2. Step 2: Convert to fraction form
    732,022.18/1,098,222.58 = 428,672.52/x
  3. Step 3: Cross multiply
    732,022.18x = 1,098,222.58 × 428,672.52
  4. Step 4: Simplify right side
    732,022.18x = 470,777,840,889.50
  5. Step 5: Solve for x
    x = 470,777,840,889.50/732,022.18
  6. Step 6: Final answer
    x = 643,119.64

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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.