Home / 988,560.82-1,364,272.76-558,880.94

Finding the Fourth Proportional to 988,560.82, 1,364,272.76 and 558,880.94

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Solution

The fourth proportional to 988,560.82, 1,364,272.76 and 558,880.94 is: 771,288.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,560.82 : 1,364,272.76 = 558,880.94 : x
  2. Step 2: Convert to fraction form
    988,560.82/1,364,272.76 = 558,880.94/x
  3. Step 3: Cross multiply
    988,560.82x = 1,364,272.76 × 558,880.94
  4. Step 4: Simplify right side
    988,560.82x = 762,466,042,525.19
  5. Step 5: Solve for x
    x = 762,466,042,525.19/988,560.82
  6. Step 6: Final answer
    x = 771,288.96

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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.