Home / 643,775.02-966,012.46-270,060.46

Finding the Fourth Proportional to 643,775.02, 966,012.46 and 270,060.46

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Solution

The fourth proportional to 643,775.02, 966,012.46 and 270,060.46 is: 405,237.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    643,775.02 : 966,012.46 = 270,060.46 : x
  2. Step 2: Convert to fraction form
    643,775.02/966,012.46 = 270,060.46/x
  3. Step 3: Cross multiply
    643,775.02x = 966,012.46 × 270,060.46
  4. Step 4: Simplify right side
    643,775.02x = 260,881,769,313.33
  5. Step 5: Solve for x
    x = 260,881,769,313.33/643,775.02
  6. Step 6: Final answer
    x = 405,237.48

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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.