Home / 518,039.03-776,861.70-247,889.85

Finding the Fourth Proportional to 518,039.03, 776,861.70 and 247,889.85

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Solution

The fourth proportional to 518,039.03, 776,861.70 and 247,889.85 is: 371,740.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    518,039.03 : 776,861.70 = 247,889.85 : x
  2. Step 2: Convert to fraction form
    518,039.03/776,861.70 = 247,889.85/x
  3. Step 3: Cross multiply
    518,039.03x = 776,861.70 × 247,889.85
  4. Step 4: Simplify right side
    518,039.03x = 192,576,130,283.75
  5. Step 5: Solve for x
    x = 192,576,130,283.75/518,039.03
  6. Step 6: Final answer
    x = 371,740.59

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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.