Home / 644,524.96-889,412.52-372,566.98

Finding the Fourth Proportional to 644,524.96, 889,412.52 and 372,566.98

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Solution

The fourth proportional to 644,524.96, 889,412.52 and 372,566.98 is: 514,123.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,524.96 : 889,412.52 = 372,566.98 : x
  2. Step 2: Convert to fraction form
    644,524.96/889,412.52 = 372,566.98/x
  3. Step 3: Cross multiply
    644,524.96x = 889,412.52 × 372,566.98
  4. Step 4: Simplify right side
    644,524.96x = 331,365,736,550.59
  5. Step 5: Solve for x
    x = 331,365,736,550.59/644,524.96
  6. Step 6: Final answer
    x = 514,123.98

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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.