Home / 527,026.23-727,218-320,187.06

Finding the Fourth Proportional to 527,026.23, 727,218 and 320,187.06

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Solution

The fourth proportional to 527,026.23, 727,218 and 320,187.06 is: 441,810.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,026.23 : 727,218 = 320,187.06 : x
  2. Step 2: Convert to fraction form
    527,026.23/727,218 = 320,187.06/x
  3. Step 3: Cross multiply
    527,026.23x = 727,218 × 320,187.06
  4. Step 4: Simplify right side
    527,026.23x = 232,845,793,399.08
  5. Step 5: Solve for x
    x = 232,845,793,399.08/527,026.23
  6. Step 6: Final answer
    x = 441,810.64

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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.