Home / 976,277.09-1,464,371.90-266,302.78

Finding the Fourth Proportional to 976,277.09, 1,464,371.90 and 266,302.78

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Solution

The fourth proportional to 976,277.09, 1,464,371.90 and 266,302.78 is: 399,442.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,277.09 : 1,464,371.90 = 266,302.78 : x
  2. Step 2: Convert to fraction form
    976,277.09/1,464,371.90 = 266,302.78/x
  3. Step 3: Cross multiply
    976,277.09x = 1,464,371.90 × 266,302.78
  4. Step 4: Simplify right side
    976,277.09x = 389,966,307,923.88
  5. Step 5: Solve for x
    x = 389,966,307,923.88/976,277.09
  6. Step 6: Final answer
    x = 399,442.24

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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.