Home / 987,995-1,363,434.36-535,286

Finding the Fourth Proportional to 987,995, 1,363,434.36 and 535,286

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Solution

The fourth proportional to 987,995, 1,363,434.36 and 535,286 is: 738,695.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,995 : 1,363,434.36 = 535,286 : x
  2. Step 2: Convert to fraction form
    987,995/1,363,434.36 = 535,286/x
  3. Step 3: Cross multiply
    987,995x = 1,363,434.36 × 535,286
  4. Step 4: Simplify right side
    987,995x = 729,827,324,826.96
  5. Step 5: Solve for x
    x = 729,827,324,826.96/987,995
  6. Step 6: Final answer
    x = 738,695.36

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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.