Home / 767,600.47-1,150,908-318,631.24

Finding the Fourth Proportional to 767,600.47, 1,150,908 and 318,631.24

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Solution

The fourth proportional to 767,600.47, 1,150,908 and 318,631.24 is: 477,742.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,600.47 : 1,150,908 = 318,631.24 : x
  2. Step 2: Convert to fraction form
    767,600.47/1,150,908 = 318,631.24/x
  3. Step 3: Cross multiply
    767,600.47x = 1,150,908 × 318,631.24
  4. Step 4: Simplify right side
    767,600.47x = 366,715,243,165.92
  5. Step 5: Solve for x
    x = 366,715,243,165.92/767,600.47
  6. Step 6: Final answer
    x = 477,742.34

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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.