Home / 782,053.70-1,079,144.82-437,841.77

Finding the Fourth Proportional to 782,053.70, 1,079,144.82 and 437,841.77

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Solution

The fourth proportional to 782,053.70, 1,079,144.82 and 437,841.77 is: 604,171.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,053.70 : 1,079,144.82 = 437,841.77 : x
  2. Step 2: Convert to fraction form
    782,053.70/1,079,144.82 = 437,841.77/x
  3. Step 3: Cross multiply
    782,053.70x = 1,079,144.82 × 437,841.77
  4. Step 4: Simplify right side
    782,053.70x = 472,494,672,679.41
  5. Step 5: Solve for x
    x = 472,494,672,679.41/782,053.70
  6. Step 6: Final answer
    x = 604,171.65

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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.