Home / 988,072.41-1,363,476.60-552,525.65

Finding the Fourth Proportional to 988,072.41, 1,363,476.60 and 552,525.65

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Solution

The fourth proportional to 988,072.41, 1,363,476.60 and 552,525.65 is: 762,449.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,072.41 : 1,363,476.60 = 552,525.65 : x
  2. Step 2: Convert to fraction form
    988,072.41/1,363,476.60 = 552,525.65/x
  3. Step 3: Cross multiply
    988,072.41x = 1,363,476.60 × 552,525.65
  4. Step 4: Simplify right side
    988,072.41x = 753,355,787,857.41
  5. Step 5: Solve for x
    x = 753,355,787,857.41/988,072.41
  6. Step 6: Final answer
    x = 762,449.98

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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.