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Finding the Fourth Proportional to 632,911.77, 873,245.52 and 360,880.47

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Solution

The fourth proportional to 632,911.77, 873,245.52 and 360,880.47 is: 497,916.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,911.77 : 873,245.52 = 360,880.47 : x
  2. Step 2: Convert to fraction form
    632,911.77/873,245.52 = 360,880.47/x
  3. Step 3: Cross multiply
    632,911.77x = 873,245.52 × 360,880.47
  4. Step 4: Simplify right side
    632,911.77x = 315,137,253,682.99
  5. Step 5: Solve for x
    x = 315,137,253,682.99/632,911.77
  6. Step 6: Final answer
    x = 497,916.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.