Home / 775,556.31-1,163,349.05-243,065.55

Finding the Fourth Proportional to 775,556.31, 1,163,349.05 and 243,065.55

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Solution

The fourth proportional to 775,556.31, 1,163,349.05 and 243,065.55 is: 364,602.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,556.31 : 1,163,349.05 = 243,065.55 : x
  2. Step 2: Convert to fraction form
    775,556.31/1,163,349.05 = 243,065.55/x
  3. Step 3: Cross multiply
    775,556.31x = 1,163,349.05 × 243,065.55
  4. Step 4: Simplify right side
    775,556.31x = 282,770,075,464.90
  5. Step 5: Solve for x
    x = 282,770,075,464.90/775,556.31
  6. Step 6: Final answer
    x = 364,602.89

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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.