Home / 988,645.32-1,364,277.51-558,899.82

Finding the Fourth Proportional to 988,645.32, 1,364,277.51 and 558,899.82

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Solution

The fourth proportional to 988,645.32, 1,364,277.51 and 558,899.82 is: 771,251.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,645.32 : 1,364,277.51 = 558,899.82 : x
  2. Step 2: Convert to fraction form
    988,645.32/1,364,277.51 = 558,899.82/x
  3. Step 3: Cross multiply
    988,645.32x = 1,364,277.51 × 558,899.82
  4. Step 4: Simplify right side
    988,645.32x = 762,494,454,769.05
  5. Step 5: Solve for x
    x = 762,494,454,769.05/988,645.32
  6. Step 6: Final answer
    x = 771,251.77

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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.