Home / 885,233.40-1,328,022.90-352,663.80

Finding the Fourth Proportional to 885,233.40, 1,328,022.90 and 352,663.80

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Solution

The fourth proportional to 885,233.40, 1,328,022.90 and 352,663.80 is: 529,064.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,233.40 : 1,328,022.90 = 352,663.80 : x
  2. Step 2: Convert to fraction form
    885,233.40/1,328,022.90 = 352,663.80/x
  3. Step 3: Cross multiply
    885,233.40x = 1,328,022.90 × 352,663.80
  4. Step 4: Simplify right side
    885,233.40x = 468,345,602,401.02
  5. Step 5: Solve for x
    x = 468,345,602,401.02/885,233.40
  6. Step 6: Final answer
    x = 529,064.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.