Home / 951,249.45-1,312,695.81-521,514.90

Finding the Fourth Proportional to 951,249.45, 1,312,695.81 and 521,514.90

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Solution

The fourth proportional to 951,249.45, 1,312,695.81 and 521,514.90 is: 719,674.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    951,249.45 : 1,312,695.81 = 521,514.90 : x
  2. Step 2: Convert to fraction form
    951,249.45/1,312,695.81 = 521,514.90/x
  3. Step 3: Cross multiply
    951,249.45x = 1,312,695.81 × 521,514.90
  4. Step 4: Simplify right side
    951,249.45x = 684,590,424,082.57
  5. Step 5: Solve for x
    x = 684,590,424,082.57/951,249.45
  6. Step 6: Final answer
    x = 719,674.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.