Home / 644,113.72-966,333.54-454,943.48

Finding the Fourth Proportional to 644,113.72, 966,333.54 and 454,943.48

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Solution

The fourth proportional to 644,113.72, 966,333.54 and 454,943.48 is: 682,530.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,113.72 : 966,333.54 = 454,943.48 : x
  2. Step 2: Convert to fraction form
    644,113.72/966,333.54 = 454,943.48/x
  3. Step 3: Cross multiply
    644,113.72x = 966,333.54 × 454,943.48
  4. Step 4: Simplify right side
    644,113.72x = 439,627,143,528.32
  5. Step 5: Solve for x
    x = 439,627,143,528.32/644,113.72
  6. Step 6: Final answer
    x = 682,530.32

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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.