Home / 644,557.02-889,511.91-372,710.22

Finding the Fourth Proportional to 644,557.02, 889,511.91 and 372,710.22

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Solution

The fourth proportional to 644,557.02, 889,511.91 and 372,710.22 is: 514,353.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,557.02 : 889,511.91 = 372,710.22 : x
  2. Step 2: Convert to fraction form
    644,557.02/889,511.91 = 372,710.22/x
  3. Step 3: Cross multiply
    644,557.02x = 889,511.91 × 372,710.22
  4. Step 4: Simplify right side
    644,557.02x = 331,530,179,668.72
  5. Step 5: Solve for x
    x = 331,530,179,668.72/644,557.02
  6. Step 6: Final answer
    x = 514,353.53

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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.