Home / 803,471.92-1,108,789.68-435,948.94

Finding the Fourth Proportional to 803,471.92, 1,108,789.68 and 435,948.94

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Solution

The fourth proportional to 803,471.92, 1,108,789.68 and 435,948.94 is: 601,608.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,471.92 : 1,108,789.68 = 435,948.94 : x
  2. Step 2: Convert to fraction form
    803,471.92/1,108,789.68 = 435,948.94/x
  3. Step 3: Cross multiply
    803,471.92x = 1,108,789.68 × 435,948.94
  4. Step 4: Simplify right side
    803,471.92x = 483,375,677,955.25
  5. Step 5: Solve for x
    x = 483,375,677,955.25/803,471.92
  6. Step 6: Final answer
    x = 601,608.68

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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.