Home / 991,741.24-1,368,611.94-539,033.32

Finding the Fourth Proportional to 991,741.24, 1,368,611.94 and 539,033.32

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Solution

The fourth proportional to 991,741.24, 1,368,611.94 and 539,033.32 is: 743,870.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,741.24 : 1,368,611.94 = 539,033.32 : x
  2. Step 2: Convert to fraction form
    991,741.24/1,368,611.94 = 539,033.32/x
  3. Step 3: Cross multiply
    991,741.24x = 1,368,611.94 × 539,033.32
  4. Step 4: Simplify right side
    991,741.24x = 737,727,437,809.84
  5. Step 5: Solve for x
    x = 737,727,437,809.84/991,741.24
  6. Step 6: Final answer
    x = 743,870.89

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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.