Home / 775,816.94-1,070,501.22-431,644.03

Finding the Fourth Proportional to 775,816.94, 1,070,501.22 and 431,644.03

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Solution

The fourth proportional to 775,816.94, 1,070,501.22 and 431,644.03 is: 595,598.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,816.94 : 1,070,501.22 = 431,644.03 : x
  2. Step 2: Convert to fraction form
    775,816.94/1,070,501.22 = 431,644.03/x
  3. Step 3: Cross multiply
    775,816.94x = 1,070,501.22 × 431,644.03
  4. Step 4: Simplify right side
    775,816.94x = 462,075,454,289.10
  5. Step 5: Solve for x
    x = 462,075,454,289.10/775,816.94
  6. Step 6: Final answer
    x = 595,598.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.