Home / 782,237.96-1,079,399.06-438,026.02

Finding the Fourth Proportional to 782,237.96, 1,079,399.06 and 438,026.02

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Solution

The fourth proportional to 782,237.96, 1,079,399.06 and 438,026.02 is: 604,425.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,237.96 : 1,079,399.06 = 438,026.02 : x
  2. Step 2: Convert to fraction form
    782,237.96/1,079,399.06 = 438,026.02/x
  3. Step 3: Cross multiply
    782,237.96x = 1,079,399.06 × 438,026.02
  4. Step 4: Simplify right side
    782,237.96x = 472,804,874,243.54
  5. Step 5: Solve for x
    x = 472,804,874,243.54/782,237.96
  6. Step 6: Final answer
    x = 604,425.89

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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.