Home / 643,772.02-966,007.96-270,057.46

Finding the Fourth Proportional to 643,772.02, 966,007.96 and 270,057.46

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Solution

The fourth proportional to 643,772.02, 966,007.96 and 270,057.46 is: 405,232.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,772.02 : 966,007.96 = 270,057.46 : x
  2. Step 2: Convert to fraction form
    643,772.02/966,007.96 = 270,057.46/x
  3. Step 3: Cross multiply
    643,772.02x = 966,007.96 × 270,057.46
  4. Step 4: Simplify right side
    643,772.02x = 260,877,656,017.38
  5. Step 5: Solve for x
    x = 260,877,656,017.38/643,772.02
  6. Step 6: Final answer
    x = 405,232.98

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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.