Home / 786,008.16-1,179,241.86-253,517.40

Finding the Fourth Proportional to 786,008.16, 1,179,241.86 and 253,517.40

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Solution

The fourth proportional to 786,008.16, 1,179,241.86 and 253,517.40 is: 380,350.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,008.16 : 1,179,241.86 = 253,517.40 : x
  2. Step 2: Convert to fraction form
    786,008.16/1,179,241.86 = 253,517.40/x
  3. Step 3: Cross multiply
    786,008.16x = 1,179,241.86 × 253,517.40
  4. Step 4: Simplify right side
    786,008.16x = 298,958,330,318.36
  5. Step 5: Solve for x
    x = 298,958,330,318.36/786,008.16
  6. Step 6: Final answer
    x = 380,350.16

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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.