Home / 885,407.20-1,328,110.80-220,559.20

Finding the Fourth Proportional to 885,407.20, 1,328,110.80 and 220,559.20

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Solution

The fourth proportional to 885,407.20, 1,328,110.80 and 220,559.20 is: 330,838.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,407.20 : 1,328,110.80 = 220,559.20 : x
  2. Step 2: Convert to fraction form
    885,407.20/1,328,110.80 = 220,559.20/x
  3. Step 3: Cross multiply
    885,407.20x = 1,328,110.80 × 220,559.20
  4. Step 4: Simplify right side
    885,407.20x = 292,927,055,559.36
  5. Step 5: Solve for x
    x = 292,927,055,559.36/885,407.20
  6. Step 6: Final answer
    x = 330,838.80

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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.