Home / 772,021.68-1,157,976.90-239,529

Finding the Fourth Proportional to 772,021.68, 1,157,976.90 and 239,529

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Solution

The fourth proportional to 772,021.68, 1,157,976.90 and 239,529 is: 359,276.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,021.68 : 1,157,976.90 = 239,529 : x
  2. Step 2: Convert to fraction form
    772,021.68/1,157,976.90 = 239,529/x
  3. Step 3: Cross multiply
    772,021.68x = 1,157,976.90 × 239,529
  4. Step 4: Simplify right side
    772,021.68x = 277,369,048,880.10
  5. Step 5: Solve for x
    x = 277,369,048,880.10/772,021.68
  6. Step 6: Final answer
    x = 359,276.24

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.