Home / 639,524.48-882,545.68-349,136.50

Finding the Fourth Proportional to 639,524.48, 882,545.68 and 349,136.50

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Solution

The fourth proportional to 639,524.48, 882,545.68 and 349,136.50 is: 481,809.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,524.48 : 882,545.68 = 349,136.50 : x
  2. Step 2: Convert to fraction form
    639,524.48/882,545.68 = 349,136.50/x
  3. Step 3: Cross multiply
    639,524.48x = 882,545.68 × 349,136.50
  4. Step 4: Simplify right side
    639,524.48x = 308,128,909,805.32
  5. Step 5: Solve for x
    x = 308,128,909,805.32/639,524.48
  6. Step 6: Final answer
    x = 481,809.41

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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.