Home / 966,528.58-1,449,971.21-318,141.40

Finding the Fourth Proportional to 966,528.58, 1,449,971.21 and 318,141.40

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Solution

The fourth proportional to 966,528.58, 1,449,971.21 and 318,141.40 is: 477,270.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    966,528.58 : 1,449,971.21 = 318,141.40 : x
  2. Step 2: Convert to fraction form
    966,528.58/1,449,971.21 = 318,141.40/x
  3. Step 3: Cross multiply
    966,528.58x = 1,449,971.21 × 318,141.40
  4. Step 4: Simplify right side
    966,528.58x = 461,295,870,709.09
  5. Step 5: Solve for x
    x = 461,295,870,709.09/966,528.58
  6. Step 6: Final answer
    x = 477,270.80

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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.