Home / 987,929.32-1,363,343.85-535,220.32

Finding the Fourth Proportional to 987,929.32, 1,363,343.85 and 535,220.32

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Solution

The fourth proportional to 987,929.32, 1,363,343.85 and 535,220.32 is: 738,604.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,929.32 : 1,363,343.85 = 535,220.32 : x
  2. Step 2: Convert to fraction form
    987,929.32/1,363,343.85 = 535,220.32/x
  3. Step 3: Cross multiply
    987,929.32x = 1,363,343.85 × 535,220.32
  4. Step 4: Simplify right side
    987,929.32x = 729,689,322,174.21
  5. Step 5: Solve for x
    x = 729,689,322,174.21/987,929.32
  6. Step 6: Final answer
    x = 738,604.79

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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.