Home / 988,424.60-1,364,049.78-558,706.28

Finding the Fourth Proportional to 988,424.60, 1,364,049.78 and 558,706.28

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Solution

The fourth proportional to 988,424.60, 1,364,049.78 and 558,706.28 is: 771,028.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,424.60 : 1,364,049.78 = 558,706.28 : x
  2. Step 2: Convert to fraction form
    988,424.60/1,364,049.78 = 558,706.28/x
  3. Step 3: Cross multiply
    988,424.60x = 1,364,049.78 × 558,706.28
  4. Step 4: Simplify right side
    988,424.60x = 762,103,178,318.62
  5. Step 5: Solve for x
    x = 762,103,178,318.62/988,424.60
  6. Step 6: Final answer
    x = 771,028.14

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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.