Home / 767,804.85-1,151,707.05-412,329.87

Finding the Fourth Proportional to 767,804.85, 1,151,707.05 and 412,329.87

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Solution

The fourth proportional to 767,804.85, 1,151,707.05 and 412,329.87 is: 618,494.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,804.85 : 1,151,707.05 = 412,329.87 : x
  2. Step 2: Convert to fraction form
    767,804.85/1,151,707.05 = 412,329.87/x
  3. Step 3: Cross multiply
    767,804.85x = 1,151,707.05 × 412,329.87
  4. Step 4: Simplify right side
    767,804.85x = 474,883,218,204.58
  5. Step 5: Solve for x
    x = 474,883,218,204.58/767,804.85
  6. Step 6: Final answer
    x = 618,494.68

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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.