Home / 775,610.02-1,163,415.36-243,172.55

Finding the Fourth Proportional to 775,610.02, 1,163,415.36 and 243,172.55

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Solution

The fourth proportional to 775,610.02, 1,163,415.36 and 243,172.55 is: 364,758.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,610.02 : 1,163,415.36 = 243,172.55 : x
  2. Step 2: Convert to fraction form
    775,610.02/1,163,415.36 = 243,172.55/x
  3. Step 3: Cross multiply
    775,610.02x = 1,163,415.36 × 243,172.55
  4. Step 4: Simplify right side
    775,610.02x = 282,910,679,800.37
  5. Step 5: Solve for x
    x = 282,910,679,800.37/775,610.02
  6. Step 6: Final answer
    x = 364,758.93

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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.