Home / 857,056.14-1,285,746.66-344,760.48

Finding the Fourth Proportional to 857,056.14, 1,285,746.66 and 344,760.48

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Solution

The fourth proportional to 857,056.14, 1,285,746.66 and 344,760.48 is: 517,206.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,056.14 : 1,285,746.66 = 344,760.48 : x
  2. Step 2: Convert to fraction form
    857,056.14/1,285,746.66 = 344,760.48/x
  3. Step 3: Cross multiply
    857,056.14x = 1,285,746.66 × 344,760.48
  4. Step 4: Simplify right side
    857,056.14x = 443,274,635,660.00
  5. Step 5: Solve for x
    x = 443,274,635,660.00/857,056.14
  6. Step 6: Final answer
    x = 517,206.07

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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.