Home / 988,561.82-1,364,274.14-558,881.94

Finding the Fourth Proportional to 988,561.82, 1,364,274.14 and 558,881.94

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Solution

The fourth proportional to 988,561.82, 1,364,274.14 and 558,881.94 is: 771,290.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,561.82 : 1,364,274.14 = 558,881.94 : x
  2. Step 2: Convert to fraction form
    988,561.82/1,364,274.14 = 558,881.94/x
  3. Step 3: Cross multiply
    988,561.82x = 1,364,274.14 × 558,881.94
  4. Step 4: Simplify right side
    988,561.82x = 762,468,178,055.03
  5. Step 5: Solve for x
    x = 762,468,178,055.03/988,561.82
  6. Step 6: Final answer
    x = 771,290.34

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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.