Home / 882,919.92-1,323,461.16-409,215.72

Finding the Fourth Proportional to 882,919.92, 1,323,461.16 and 409,215.72

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Solution

The fourth proportional to 882,919.92, 1,323,461.16 and 409,215.72 is: 613,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    882,919.92 : 1,323,461.16 = 409,215.72 : x
  2. Step 2: Convert to fraction form
    882,919.92/1,323,461.16 = 409,215.72/x
  3. Step 3: Cross multiply
    882,919.92x = 1,323,461.16 × 409,215.72
  4. Step 4: Simplify right side
    882,919.92x = 541,581,111,481.44
  5. Step 5: Solve for x
    x = 541,581,111,481.44/882,919.92
  6. Step 6: Final answer
    x = 613,397.77

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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.