Home / 780,250.02-1,170,415.50-247,812.72

Finding the Fourth Proportional to 780,250.02, 1,170,415.50 and 247,812.72

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Solution

The fourth proportional to 780,250.02, 1,170,415.50 and 247,812.72 is: 371,731.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    780,250.02 : 1,170,415.50 = 247,812.72 : x
  2. Step 2: Convert to fraction form
    780,250.02/1,170,415.50 = 247,812.72/x
  3. Step 3: Cross multiply
    780,250.02x = 1,170,415.50 × 247,812.72
  4. Step 4: Simplify right side
    780,250.02x = 290,043,848,585.16
  5. Step 5: Solve for x
    x = 290,043,848,585.16/780,250.02
  6. Step 6: Final answer
    x = 371,731.93

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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.