Home / 840,019.70-1,260,027.16-208,933.52

Finding the Fourth Proportional to 840,019.70, 1,260,027.16 and 208,933.52

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Solution

The fourth proportional to 840,019.70, 1,260,027.16 and 208,933.52 is: 313,399.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,019.70 : 1,260,027.16 = 208,933.52 : x
  2. Step 2: Convert to fraction form
    840,019.70/1,260,027.16 = 208,933.52/x
  3. Step 3: Cross multiply
    840,019.70x = 1,260,027.16 × 208,933.52
  4. Step 4: Simplify right side
    840,019.70x = 263,261,903,011.93
  5. Step 5: Solve for x
    x = 263,261,903,011.93/840,019.70
  6. Step 6: Final answer
    x = 313,399.68

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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.