Home / 975,990.60-1,463,942.79-266,018.58

Finding the Fourth Proportional to 975,990.60, 1,463,942.79 and 266,018.58

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Solution

The fourth proportional to 975,990.60, 1,463,942.79 and 266,018.58 is: 399,016.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,990.60 : 1,463,942.79 = 266,018.58 : x
  2. Step 2: Convert to fraction form
    975,990.60/1,463,942.79 = 266,018.58/x
  3. Step 3: Cross multiply
    975,990.60x = 1,463,942.79 × 266,018.58
  4. Step 4: Simplify right side
    975,990.60x = 389,435,982,197.04
  5. Step 5: Solve for x
    x = 389,435,982,197.04/975,990.60
  6. Step 6: Final answer
    x = 399,016.12

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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.