Home / 782,234.19-1,079,393.91-438,022.26

Finding the Fourth Proportional to 782,234.19, 1,079,393.91 and 438,022.26

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Solution

The fourth proportional to 782,234.19, 1,079,393.91 and 438,022.26 is: 604,420.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,234.19 : 1,079,393.91 = 438,022.26 : x
  2. Step 2: Convert to fraction form
    782,234.19/1,079,393.91 = 438,022.26/x
  3. Step 3: Cross multiply
    782,234.19x = 1,079,393.91 × 438,022.26
  4. Step 4: Simplify right side
    782,234.19x = 472,798,559,888.44
  5. Step 5: Solve for x
    x = 472,798,559,888.44/782,234.19
  6. Step 6: Final answer
    x = 604,420.73

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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.