Home / 589,330.80-881,663.40-511,311.60

Finding the Fourth Proportional to 589,330.80, 881,663.40 and 511,311.60

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Solution

The fourth proportional to 589,330.80, 881,663.40 and 511,311.60 is: 764,943.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,330.80 : 881,663.40 = 511,311.60 : x
  2. Step 2: Convert to fraction form
    589,330.80/881,663.40 = 511,311.60/x
  3. Step 3: Cross multiply
    589,330.80x = 881,663.40 × 511,311.60
  4. Step 4: Simplify right side
    589,330.80x = 450,804,723,715.44
  5. Step 5: Solve for x
    x = 450,804,723,715.44/589,330.80
  6. Step 6: Final answer
    x = 764,943.43

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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.