Home / 782,236.44-1,079,397.03-438,024.51

Finding the Fourth Proportional to 782,236.44, 1,079,397.03 and 438,024.51

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Solution

The fourth proportional to 782,236.44, 1,079,397.03 and 438,024.51 is: 604,423.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,236.44 : 1,079,397.03 = 438,024.51 : x
  2. Step 2: Convert to fraction form
    782,236.44/1,079,397.03 = 438,024.51/x
  3. Step 3: Cross multiply
    782,236.44x = 1,079,397.03 × 438,024.51
  4. Step 4: Simplify right side
    782,236.44x = 472,802,355,161.21
  5. Step 5: Solve for x
    x = 472,802,355,161.21/782,236.44
  6. Step 6: Final answer
    x = 604,423.84

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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.