Home / 578,223.52-797,936.02-320,085.54

Finding the Fourth Proportional to 578,223.52, 797,936.02 and 320,085.54

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Solution

The fourth proportional to 578,223.52, 797,936.02 and 320,085.54 is: 441,711.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,223.52 : 797,936.02 = 320,085.54 : x
  2. Step 2: Convert to fraction form
    578,223.52/797,936.02 = 320,085.54/x
  3. Step 3: Cross multiply
    578,223.52x = 797,936.02 × 320,085.54
  4. Step 4: Simplify right side
    578,223.52x = 255,407,781,847.15
  5. Step 5: Solve for x
    x = 255,407,781,847.15/578,223.52
  6. Step 6: Final answer
    x = 441,711.16

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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.