Home / 738,379.31-1,107,312.78-258,596.52

Finding the Fourth Proportional to 738,379.31, 1,107,312.78 and 258,596.52

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Solution

The fourth proportional to 738,379.31, 1,107,312.78 and 258,596.52 is: 387,805.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,379.31 : 1,107,312.78 = 258,596.52 : x
  2. Step 2: Convert to fraction form
    738,379.31/1,107,312.78 = 258,596.52/x
  3. Step 3: Cross multiply
    738,379.31x = 1,107,312.78 × 258,596.52
  4. Step 4: Simplify right side
    738,379.31x = 286,347,230,794.39
  5. Step 5: Solve for x
    x = 286,347,230,794.39/738,379.31
  6. Step 6: Final answer
    x = 387,805.06

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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.