Home / 988,964.64-1,364,771.97-536,255.64

Finding the Fourth Proportional to 988,964.64, 1,364,771.97 and 536,255.64

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Solution

The fourth proportional to 988,964.64, 1,364,771.97 and 536,255.64 is: 740,033.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,964.64 : 1,364,771.97 = 536,255.64 : x
  2. Step 2: Convert to fraction form
    988,964.64/1,364,771.97 = 536,255.64/x
  3. Step 3: Cross multiply
    988,964.64x = 1,364,771.97 × 536,255.64
  4. Step 4: Simplify right side
    988,964.64x = 731,866,666,226.41
  5. Step 5: Solve for x
    x = 731,866,666,226.41/988,964.64
  6. Step 6: Final answer
    x = 740,033.20

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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.