Home / 578,221.52-797,933.27-320,083.53

Finding the Fourth Proportional to 578,221.52, 797,933.27 and 320,083.53

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Solution

The fourth proportional to 578,221.52, 797,933.27 and 320,083.53 is: 441,708.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,221.52 : 797,933.27 = 320,083.53 : x
  2. Step 2: Convert to fraction form
    578,221.52/797,933.27 = 320,083.53/x
  3. Step 3: Cross multiply
    578,221.52x = 797,933.27 × 320,083.53
  4. Step 4: Simplify right side
    578,221.52x = 255,405,296,165.63
  5. Step 5: Solve for x
    x = 255,405,296,165.63/578,221.52
  6. Step 6: Final answer
    x = 441,708.39

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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.