Home / 976,288.39-1,464,389.76-266,314.08

Finding the Fourth Proportional to 976,288.39, 1,464,389.76 and 266,314.08

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Solution

The fourth proportional to 976,288.39, 1,464,389.76 and 266,314.08 is: 399,459.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,288.39 : 1,464,389.76 = 266,314.08 : x
  2. Step 2: Convert to fraction form
    976,288.39/1,464,389.76 = 266,314.08/x
  3. Step 3: Cross multiply
    976,288.39x = 1,464,389.76 × 266,314.08
  4. Step 4: Simplify right side
    976,288.39x = 389,987,603,042.30
  5. Step 5: Solve for x
    x = 389,987,603,042.30/976,288.39
  6. Step 6: Final answer
    x = 399,459.43

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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.