Home / 853,616.07-1,280,045.03-454,172.67

Finding the Fourth Proportional to 853,616.07, 1,280,045.03 and 454,172.67

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Solution

The fourth proportional to 853,616.07, 1,280,045.03 and 454,172.67 is: 681,057.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,616.07 : 1,280,045.03 = 454,172.67 : x
  2. Step 2: Convert to fraction form
    853,616.07/1,280,045.03 = 454,172.67/x
  3. Step 3: Cross multiply
    853,616.07x = 1,280,045.03 × 454,172.67
  4. Step 4: Simplify right side
    853,616.07x = 581,361,466,724.47
  5. Step 5: Solve for x
    x = 581,361,466,724.47/853,616.07
  6. Step 6: Final answer
    x = 681,057.31

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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.