Home / 699,627.36-1,049,441.04-665,633.28

Finding the Fourth Proportional to 699,627.36, 1,049,441.04 and 665,633.28

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Solution

The fourth proportional to 699,627.36, 1,049,441.04 and 665,633.28 is: 998,449.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,627.36 : 1,049,441.04 = 665,633.28 : x
  2. Step 2: Convert to fraction form
    699,627.36/1,049,441.04 = 665,633.28/x
  3. Step 3: Cross multiply
    699,627.36x = 1,049,441.04 × 665,633.28
  4. Step 4: Simplify right side
    699,627.36x = 698,542,881,621.81
  5. Step 5: Solve for x
    x = 698,542,881,621.81/699,627.36
  6. Step 6: Final answer
    x = 998,449.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.