Home / 690,851.02-1,036,313.52-217,573.24

Finding the Fourth Proportional to 690,851.02, 1,036,313.52 and 217,573.24

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Solution

The fourth proportional to 690,851.02, 1,036,313.52 and 217,573.24 is: 326,371.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,851.02 : 1,036,313.52 = 217,573.24 : x
  2. Step 2: Convert to fraction form
    690,851.02/1,036,313.52 = 217,573.24/x
  3. Step 3: Cross multiply
    690,851.02x = 1,036,313.52 × 217,573.24
  4. Step 4: Simplify right side
    690,851.02x = 225,474,090,202.21
  5. Step 5: Solve for x
    x = 225,474,090,202.21/690,851.02
  6. Step 6: Final answer
    x = 326,371.51

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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.