Home / 874,538.57-1,312,507.70-453,934.73

Finding the Fourth Proportional to 874,538.57, 1,312,507.70 and 453,934.73

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Solution

The fourth proportional to 874,538.57, 1,312,507.70 and 453,934.73 is: 681,265.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,538.57 : 1,312,507.70 = 453,934.73 : x
  2. Step 2: Convert to fraction form
    874,538.57/1,312,507.70 = 453,934.73/x
  3. Step 3: Cross multiply
    874,538.57x = 1,312,507.70 × 453,934.73
  4. Step 4: Simplify right side
    874,538.57x = 595,792,831,136.27
  5. Step 5: Solve for x
    x = 595,792,831,136.27/874,538.57
  6. Step 6: Final answer
    x = 681,265.36

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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.