Home / 987,928.82-1,363,343.15-535,219.82

Finding the Fourth Proportional to 987,928.82, 1,363,343.15 and 535,219.82

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Solution

The fourth proportional to 987,928.82, 1,363,343.15 and 535,219.82 is: 738,604.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,928.82 : 1,363,343.15 = 535,219.82 : x
  2. Step 2: Convert to fraction form
    987,928.82/1,363,343.15 = 535,219.82/x
  3. Step 3: Cross multiply
    987,928.82x = 1,363,343.15 × 535,219.82
  4. Step 4: Simplify right side
    987,928.82x = 729,688,269,862.57
  5. Step 5: Solve for x
    x = 729,688,269,862.57/987,928.82
  6. Step 6: Final answer
    x = 738,604.10

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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.