Home / 644,250.61-889,084.50-368,653.29

Finding the Fourth Proportional to 644,250.61, 889,084.50 and 368,653.29

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Solution

The fourth proportional to 644,250.61, 889,084.50 and 368,653.29 is: 508,752.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,250.61 : 889,084.50 = 368,653.29 : x
  2. Step 2: Convert to fraction form
    644,250.61/889,084.50 = 368,653.29/x
  3. Step 3: Cross multiply
    644,250.61x = 889,084.50 × 368,653.29
  4. Step 4: Simplify right side
    644,250.61x = 327,763,926,013.01
  5. Step 5: Solve for x
    x = 327,763,926,013.01/644,250.61
  6. Step 6: Final answer
    x = 508,752.22

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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.