Home / 689,172.94-1,033,759.42-314,933.50

Finding the Fourth Proportional to 689,172.94, 1,033,759.42 and 314,933.50

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Solution

The fourth proportional to 689,172.94, 1,033,759.42 and 314,933.50 is: 472,400.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,172.94 : 1,033,759.42 = 314,933.50 : x
  2. Step 2: Convert to fraction form
    689,172.94/1,033,759.42 = 314,933.50/x
  3. Step 3: Cross multiply
    689,172.94x = 1,033,759.42 × 314,933.50
  4. Step 4: Simplify right side
    689,172.94x = 325,565,472,298.57
  5. Step 5: Solve for x
    x = 325,565,472,298.57/689,172.94
  6. Step 6: Final answer
    x = 472,400.25

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Similar ratio
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1.5x scale

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.