Home / 976,579.28-1,464,853.88-266,605.28

Finding the Fourth Proportional to 976,579.28, 1,464,853.88 and 266,605.28

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Solution

The fourth proportional to 976,579.28, 1,464,853.88 and 266,605.28 is: 399,903.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,579.28 : 1,464,853.88 = 266,605.28 : x
  2. Step 2: Convert to fraction form
    976,579.28/1,464,853.88 = 266,605.28/x
  3. Step 3: Cross multiply
    976,579.28x = 1,464,853.88 × 266,605.28
  4. Step 4: Simplify right side
    976,579.28x = 390,537,770,179.19
  5. Step 5: Solve for x
    x = 390,537,770,179.19/976,579.28
  6. Step 6: Final answer
    x = 399,903.81

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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.