Home / 782,233.20-1,079,392.64-438,021.27

Finding the Fourth Proportional to 782,233.20, 1,079,392.64 and 438,021.27

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Solution

The fourth proportional to 782,233.20, 1,079,392.64 and 438,021.27 is: 604,419.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,233.20 : 1,079,392.64 = 438,021.27 : x
  2. Step 2: Convert to fraction form
    782,233.20/1,079,392.64 = 438,021.27/x
  3. Step 3: Cross multiply
    782,233.20x = 1,079,392.64 × 438,021.27
  4. Step 4: Simplify right side
    782,233.20x = 472,796,932,811.35
  5. Step 5: Solve for x
    x = 472,796,932,811.35/782,233.20
  6. Step 6: Final answer
    x = 604,419.41

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1.5x scale

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.