Home / 644,713.60-889,450.08-372,731.52

Finding the Fourth Proportional to 644,713.60, 889,450.08 and 372,731.52

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Solution

The fourth proportional to 644,713.60, 889,450.08 and 372,731.52 is: 514,222.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,713.60 : 889,450.08 = 372,731.52 : x
  2. Step 2: Convert to fraction form
    644,713.60/889,450.08 = 372,731.52/x
  3. Step 3: Cross multiply
    644,713.60x = 889,450.08 × 372,731.52
  4. Step 4: Simplify right side
    644,713.60x = 331,526,080,282.52
  5. Step 5: Solve for x
    x = 331,526,080,282.52/644,713.60
  6. Step 6: Final answer
    x = 514,222.25

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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.