Home / 842,089.89-1,263,133.08-336,768.96

Finding the Fourth Proportional to 842,089.89, 1,263,133.08 and 336,768.96

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Solution

The fourth proportional to 842,089.89, 1,263,133.08 and 336,768.96 is: 505,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,089.89 : 1,263,133.08 = 336,768.96 : x
  2. Step 2: Convert to fraction form
    842,089.89/1,263,133.08 = 336,768.96/x
  3. Step 3: Cross multiply
    842,089.89x = 1,263,133.08 × 336,768.96
  4. Step 4: Simplify right side
    842,089.89x = 425,384,013,693.20
  5. Step 5: Solve for x
    x = 425,384,013,693.20/842,089.89
  6. Step 6: Final answer
    x = 505,152.74

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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.