Home / 775,749.80-1,163,624.52-243,317.36

Finding the Fourth Proportional to 775,749.80, 1,163,624.52 and 243,317.36

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Solution

The fourth proportional to 775,749.80, 1,163,624.52 and 243,317.36 is: 364,975.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,749.80 : 1,163,624.52 = 243,317.36 : x
  2. Step 2: Convert to fraction form
    775,749.80/1,163,624.52 = 243,317.36/x
  3. Step 3: Cross multiply
    775,749.80x = 1,163,624.52 × 243,317.36
  4. Step 4: Simplify right side
    775,749.80x = 283,130,046,237.67
  5. Step 5: Solve for x
    x = 283,130,046,237.67/775,749.80
  6. Step 6: Final answer
    x = 364,975.98

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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.