Home / 987,932.57-1,363,348.35-535,223.57

Finding the Fourth Proportional to 987,932.57, 1,363,348.35 and 535,223.57

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Solution

The fourth proportional to 987,932.57, 1,363,348.35 and 535,223.57 is: 738,609.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,932.57 : 1,363,348.35 = 535,223.57 : x
  2. Step 2: Convert to fraction form
    987,932.57/1,363,348.35 = 535,223.57/x
  3. Step 3: Cross multiply
    987,932.57x = 1,363,348.35 × 535,223.57
  4. Step 4: Simplify right side
    987,932.57x = 729,696,164,223.87
  5. Step 5: Solve for x
    x = 729,696,164,223.87/987,932.57
  6. Step 6: Final answer
    x = 738,609.28

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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.