Home / 988,441.38-1,364,034.33-558,706.41

Finding the Fourth Proportional to 988,441.38, 1,364,034.33 and 558,706.41

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Solution

The fourth proportional to 988,441.38, 1,364,034.33 and 558,706.41 is: 771,006.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,441.38 : 1,364,034.33 = 558,706.41 : x
  2. Step 2: Convert to fraction form
    988,441.38/1,364,034.33 = 558,706.41/x
  3. Step 3: Cross multiply
    988,441.38x = 1,364,034.33 × 558,706.41
  4. Step 4: Simplify right side
    988,441.38x = 762,094,723,631.06
  5. Step 5: Solve for x
    x = 762,094,723,631.06/988,441.38
  6. Step 6: Final answer
    x = 771,006.49

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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.