Home / 674,737.11-1,012,089.53-219,327.80

Finding the Fourth Proportional to 674,737.11, 1,012,089.53 and 219,327.80

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Solution

The fourth proportional to 674,737.11, 1,012,089.53 and 219,327.80 is: 328,986.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,737.11 : 1,012,089.53 = 219,327.80 : x
  2. Step 2: Convert to fraction form
    674,737.11/1,012,089.53 = 219,327.80/x
  3. Step 3: Cross multiply
    674,737.11x = 1,012,089.53 × 219,327.80
  4. Step 4: Simplify right side
    674,737.11x = 221,979,365,505.81
  5. Step 5: Solve for x
    x = 221,979,365,505.81/674,737.11
  6. Step 6: Final answer
    x = 328,986.45

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1.5x scale

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.