Home / 976,660.17-1,464,760.58-266,519.40

Finding the Fourth Proportional to 976,660.17, 1,464,760.58 and 266,519.40

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Solution

The fourth proportional to 976,660.17, 1,464,760.58 and 266,519.40 is: 399,716.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,660.17 : 1,464,760.58 = 266,519.40 : x
  2. Step 2: Convert to fraction form
    976,660.17/1,464,760.58 = 266,519.40/x
  3. Step 3: Cross multiply
    976,660.17x = 1,464,760.58 × 266,519.40
  4. Step 4: Simplify right side
    976,660.17x = 390,387,109,592.66
  5. Step 5: Solve for x
    x = 390,387,109,592.66/976,660.17
  6. Step 6: Final answer
    x = 399,716.42

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1.5x scale

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.