Home / 658,933.65-988,025.85-259,357.82

Finding the Fourth Proportional to 658,933.65, 988,025.85 and 259,357.82

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Solution

The fourth proportional to 658,933.65, 988,025.85 and 259,357.82 is: 388,889.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    658,933.65 : 988,025.85 = 259,357.82 : x
  2. Step 2: Convert to fraction form
    658,933.65/988,025.85 = 259,357.82/x
  3. Step 3: Cross multiply
    658,933.65x = 988,025.85 × 259,357.82
  4. Step 4: Simplify right side
    658,933.65x = 256,252,225,619.52
  5. Step 5: Solve for x
    x = 256,252,225,619.52/658,933.65
  6. Step 6: Final answer
    x = 388,889.27

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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.