Home / 968,672.87-1,336,832.45-538,953.89

Finding the Fourth Proportional to 968,672.87, 1,336,832.45 and 538,953.89

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Solution

The fourth proportional to 968,672.87, 1,336,832.45 and 538,953.89 is: 743,791.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    968,672.87 : 1,336,832.45 = 538,953.89 : x
  2. Step 2: Convert to fraction form
    968,672.87/1,336,832.45 = 538,953.89/x
  3. Step 3: Cross multiply
    968,672.87x = 1,336,832.45 × 538,953.89
  4. Step 4: Simplify right side
    968,672.87x = 720,491,046,510.96
  5. Step 5: Solve for x
    x = 720,491,046,510.96/968,672.87
  6. Step 6: Final answer
    x = 743,791.91

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1.5x scale

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.