Home / 788,721.05-1,182,961.63-220,042.27

Finding the Fourth Proportional to 788,721.05, 1,182,961.63 and 220,042.27

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Solution

The fourth proportional to 788,721.05, 1,182,961.63 and 220,042.27 is: 330,029.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    788,721.05 : 1,182,961.63 = 220,042.27 : x
  2. Step 2: Convert to fraction form
    788,721.05/1,182,961.63 = 220,042.27/x
  3. Step 3: Cross multiply
    788,721.05x = 1,182,961.63 × 220,042.27
  4. Step 4: Simplify right side
    788,721.05x = 260,301,563,213.54
  5. Step 5: Solve for x
    x = 260,301,563,213.54/788,721.05
  6. Step 6: Final answer
    x = 330,029.94

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1.5x scale

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.