Home / 727,000.85-1,090,417.84-194,563.42

Finding the Fourth Proportional to 727,000.85, 1,090,417.84 and 194,563.42

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Solution

The fourth proportional to 727,000.85, 1,090,417.84 and 194,563.42 is: 291,822.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    727,000.85 : 1,090,417.84 = 194,563.42 : x
  2. Step 2: Convert to fraction form
    727,000.85/1,090,417.84 = 194,563.42/x
  3. Step 3: Cross multiply
    727,000.85x = 1,090,417.84 × 194,563.42
  4. Step 4: Simplify right side
    727,000.85x = 212,155,418,240.92
  5. Step 5: Solve for x
    x = 212,155,418,240.92/727,000.85
  6. Step 6: Final answer
    x = 291,822.79

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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.