Home / 726,890.64-1,090,335.72-194,397.84

Finding the Fourth Proportional to 726,890.64, 1,090,335.72 and 194,397.84

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Solution

The fourth proportional to 726,890.64, 1,090,335.72 and 194,397.84 is: 291,596.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,890.64 : 1,090,335.72 = 194,397.84 : x
  2. Step 2: Convert to fraction form
    726,890.64/1,090,335.72 = 194,397.84/x
  3. Step 3: Cross multiply
    726,890.64x = 1,090,335.72 × 194,397.84
  4. Step 4: Simplify right side
    726,890.64x = 211,958,908,842.85
  5. Step 5: Solve for x
    x = 211,958,908,842.85/726,890.64
  6. Step 6: Final answer
    x = 291,596.70

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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.