Home / 842,090.89-1,263,134.58-336,769.96

Finding the Fourth Proportional to 842,090.89, 1,263,134.58 and 336,769.96

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Solution

The fourth proportional to 842,090.89, 1,263,134.58 and 336,769.96 is: 505,154.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,090.89 : 1,263,134.58 = 336,769.96 : x
  2. Step 2: Convert to fraction form
    842,090.89/1,263,134.58 = 336,769.96/x
  3. Step 3: Cross multiply
    842,090.89x = 1,263,134.58 × 336,769.96
  4. Step 4: Simplify right side
    842,090.89x = 425,385,781,981.22
  5. Step 5: Solve for x
    x = 425,385,781,981.22/842,090.89
  6. Step 6: Final answer
    x = 505,154.24

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1.5x scale

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.