Home / 803,211.92-1,108,421.96-459,043.92

Finding the Fourth Proportional to 803,211.92, 1,108,421.96 and 459,043.92

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Solution

The fourth proportional to 803,211.92, 1,108,421.96 and 459,043.92 is: 633,474.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,211.92 : 1,108,421.96 = 459,043.92 : x
  2. Step 2: Convert to fraction form
    803,211.92/1,108,421.96 = 459,043.92/x
  3. Step 3: Cross multiply
    803,211.92x = 1,108,421.96 × 459,043.92
  4. Step 4: Simplify right side
    803,211.92x = 508,814,361,532.48
  5. Step 5: Solve for x
    x = 508,814,361,532.48/803,211.92
  6. Step 6: Final answer
    x = 633,474.61

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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.