Home / 785,280.89-1,178,105.87-252,781.94

Finding the Fourth Proportional to 785,280.89, 1,178,105.87 and 252,781.94

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Solution

The fourth proportional to 785,280.89, 1,178,105.87 and 252,781.94 is: 379,232.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,280.89 : 1,178,105.87 = 252,781.94 : x
  2. Step 2: Convert to fraction form
    785,280.89/1,178,105.87 = 252,781.94/x
  3. Step 3: Cross multiply
    785,280.89x = 1,178,105.87 × 252,781.94
  4. Step 4: Simplify right side
    785,280.89x = 297,803,880,189.55
  5. Step 5: Solve for x
    x = 297,803,880,189.55/785,280.89
  6. Step 6: Final answer
    x = 379,232.31

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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.