Home / 775,747.80-1,163,621.52-243,315.36

Finding the Fourth Proportional to 775,747.80, 1,163,621.52 and 243,315.36

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Solution

The fourth proportional to 775,747.80, 1,163,621.52 and 243,315.36 is: 364,972.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,747.80 : 1,163,621.52 = 243,315.36 : x
  2. Step 2: Convert to fraction form
    775,747.80/1,163,621.52 = 243,315.36/x
  3. Step 3: Cross multiply
    775,747.80x = 1,163,621.52 × 243,315.36
  4. Step 4: Simplify right side
    775,747.80x = 283,126,989,042.55
  5. Step 5: Solve for x
    x = 283,126,989,042.55/775,747.80
  6. Step 6: Final answer
    x = 364,972.98

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1.5x scale

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.