Home / 775,075.77-1,161,986.31-242,322.57

Finding the Fourth Proportional to 775,075.77, 1,161,986.31 and 242,322.57

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Solution

The fourth proportional to 775,075.77, 1,161,986.31 and 242,322.57 is: 363,287.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,075.77 : 1,161,986.31 = 242,322.57 : x
  2. Step 2: Convert to fraction form
    775,075.77/1,161,986.31 = 242,322.57/x
  3. Step 3: Cross multiply
    775,075.77x = 1,161,986.31 × 242,322.57
  4. Step 4: Simplify right side
    775,075.77x = 281,575,508,944.02
  5. Step 5: Solve for x
    x = 281,575,508,944.02/775,075.77
  6. Step 6: Final answer
    x = 363,287.72

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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.