Home / 950,731.96-1,312,020.43-521,002.86

Finding the Fourth Proportional to 950,731.96, 1,312,020.43 and 521,002.86

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Solution

The fourth proportional to 950,731.96, 1,312,020.43 and 521,002.86 is: 718,989.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,731.96 : 1,312,020.43 = 521,002.86 : x
  2. Step 2: Convert to fraction form
    950,731.96/1,312,020.43 = 521,002.86/x
  3. Step 3: Cross multiply
    950,731.96x = 1,312,020.43 × 521,002.86
  4. Step 4: Simplify right side
    950,731.96x = 683,566,396,408.43
  5. Step 5: Solve for x
    x = 683,566,396,408.43/950,731.96
  6. Step 6: Final answer
    x = 718,989.61

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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.