Home / 987,933.36-1,363,571.64-558,462.72

Finding the Fourth Proportional to 987,933.36, 1,363,571.64 and 558,462.72

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Solution

The fourth proportional to 987,933.36, 1,363,571.64 and 558,462.72 is: 770,804.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,933.36 : 1,363,571.64 = 558,462.72 : x
  2. Step 2: Convert to fraction form
    987,933.36/1,363,571.64 = 558,462.72/x
  3. Step 3: Cross multiply
    987,933.36x = 1,363,571.64 × 558,462.72
  4. Step 4: Simplify right side
    987,933.36x = 761,503,926,989.26
  5. Step 5: Solve for x
    x = 761,503,926,989.26/987,933.36
  6. Step 6: Final answer
    x = 770,804.95

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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.