Home / 727,143.90-1,090,770.53-194,653.14

Finding the Fourth Proportional to 727,143.90, 1,090,770.53 and 194,653.14

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Solution

The fourth proportional to 727,143.90, 1,090,770.53 and 194,653.14 is: 291,994.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,143.90 : 1,090,770.53 = 194,653.14 : x
  2. Step 2: Convert to fraction form
    727,143.90/1,090,770.53 = 194,653.14/x
  3. Step 3: Cross multiply
    727,143.90x = 1,090,770.53 × 194,653.14
  4. Step 4: Simplify right side
    727,143.90x = 212,321,907,710.70
  5. Step 5: Solve for x
    x = 212,321,907,710.70/727,143.90
  6. Step 6: Final answer
    x = 291,994.35

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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.