Home / 976,755.72-1,465,298.28-336,888.30

Finding the Fourth Proportional to 976,755.72, 1,465,298.28 and 336,888.30

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Solution

The fourth proportional to 976,755.72, 1,465,298.28 and 336,888.30 is: 505,389.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,755.72 : 1,465,298.28 = 336,888.30 : x
  2. Step 2: Convert to fraction form
    976,755.72/1,465,298.28 = 336,888.30/x
  3. Step 3: Cross multiply
    976,755.72x = 1,465,298.28 × 336,888.30
  4. Step 4: Simplify right side
    976,755.72x = 493,641,846,542.12
  5. Step 5: Solve for x
    x = 493,641,846,542.12/976,755.72
  6. Step 6: Final answer
    x = 505,389.26

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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.