Home / 710,538.85-1,065,816.73-198,172.85

Finding the Fourth Proportional to 710,538.85, 1,065,816.73 and 198,172.85

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Solution

The fourth proportional to 710,538.85, 1,065,816.73 and 198,172.85 is: 297,261.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,538.85 : 1,065,816.73 = 198,172.85 : x
  2. Step 2: Convert to fraction form
    710,538.85/1,065,816.73 = 198,172.85/x
  3. Step 3: Cross multiply
    710,538.85x = 1,065,816.73 × 198,172.85
  4. Step 4: Simplify right side
    710,538.85x = 211,215,933,880.41
  5. Step 5: Solve for x
    x = 211,215,933,880.41/710,538.85
  6. Step 6: Final answer
    x = 297,261.63

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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.