Home / 840,023.08-1,260,032.22-208,936.89

Finding the Fourth Proportional to 840,023.08, 1,260,032.22 and 208,936.89

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Solution

The fourth proportional to 840,023.08, 1,260,032.22 and 208,936.89 is: 313,404.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,023.08 : 1,260,032.22 = 208,936.89 : x
  2. Step 2: Convert to fraction form
    840,023.08/1,260,032.22 = 208,936.89/x
  3. Step 3: Cross multiply
    840,023.08x = 1,260,032.22 × 208,936.89
  4. Step 4: Simplify right side
    840,023.08x = 263,267,213,346.60
  5. Step 5: Solve for x
    x = 263,267,213,346.60/840,023.08
  6. Step 6: Final answer
    x = 313,404.74

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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.