Home / 987,995.58-1,363,416.22-558,266.52

Finding the Fourth Proportional to 987,995.58, 1,363,416.22 and 558,266.52

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Solution

The fourth proportional to 987,995.58, 1,363,416.22 and 558,266.52 is: 770,397.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,995.58 : 1,363,416.22 = 558,266.52 : x
  2. Step 2: Convert to fraction form
    987,995.58/1,363,416.22 = 558,266.52/x
  3. Step 3: Cross multiply
    987,995.58x = 1,363,416.22 × 558,266.52
  4. Step 4: Simplify right side
    987,995.58x = 761,149,628,450.96
  5. Step 5: Solve for x
    x = 761,149,628,450.96/987,995.58
  6. Step 6: Final answer
    x = 770,397.81

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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.