Home / 988,423.44-1,363,987.62-535,704.72

Finding the Fourth Proportional to 988,423.44, 1,363,987.62 and 535,704.72

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Solution

The fourth proportional to 988,423.44, 1,363,987.62 and 535,704.72 is: 739,252.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,423.44 : 1,363,987.62 = 535,704.72 : x
  2. Step 2: Convert to fraction form
    988,423.44/1,363,987.62 = 535,704.72/x
  3. Step 3: Cross multiply
    988,423.44x = 1,363,987.62 × 535,704.72
  4. Step 4: Simplify right side
    988,423.44x = 730,694,606,055.57
  5. Step 5: Solve for x
    x = 730,694,606,055.57/988,423.44
  6. Step 6: Final answer
    x = 739,252.61

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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.