Home / 780,062.40-1,170,093.60-247,625.10

Finding the Fourth Proportional to 780,062.40, 1,170,093.60 and 247,625.10

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Solution

The fourth proportional to 780,062.40, 1,170,093.60 and 247,625.10 is: 371,437.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,062.40 : 1,170,093.60 = 247,625.10 : x
  2. Step 2: Convert to fraction form
    780,062.40/1,170,093.60 = 247,625.10/x
  3. Step 3: Cross multiply
    780,062.40x = 1,170,093.60 × 247,625.10
  4. Step 4: Simplify right side
    780,062.40x = 289,744,544,709.36
  5. Step 5: Solve for x
    x = 289,744,544,709.36/780,062.40
  6. Step 6: Final answer
    x = 371,437.65

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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.