Home / 639,331.03-882,278.68-348,945.27

Finding the Fourth Proportional to 639,331.03, 882,278.68 and 348,945.27

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Solution

The fourth proportional to 639,331.03, 882,278.68 and 348,945.27 is: 481,545.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,331.03 : 882,278.68 = 348,945.27 : x
  2. Step 2: Convert to fraction form
    639,331.03/882,278.68 = 348,945.27/x
  3. Step 3: Cross multiply
    639,331.03x = 882,278.68 × 348,945.27
  4. Step 4: Simplify right side
    639,331.03x = 307,866,968,681.21
  5. Step 5: Solve for x
    x = 307,866,968,681.21/639,331.03
  6. Step 6: Final answer
    x = 481,545.48

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1.5x scale

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.