Home / 720,870.35-1,081,305.59-271,692

Finding the Fourth Proportional to 720,870.35, 1,081,305.59 and 271,692

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Solution

The fourth proportional to 720,870.35, 1,081,305.59 and 271,692 is: 407,538.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    720,870.35 : 1,081,305.59 = 271,692 : x
  2. Step 2: Convert to fraction form
    720,870.35/1,081,305.59 = 271,692/x
  3. Step 3: Cross multiply
    720,870.35x = 1,081,305.59 × 271,692
  4. Step 4: Simplify right side
    720,870.35x = 293,782,076,999.82
  5. Step 5: Solve for x
    x = 293,782,076,999.82/720,870.35
  6. Step 6: Final answer
    x = 407,538.03

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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.