Home / 857,124.89-1,285,698.27-590,813.90

Finding the Fourth Proportional to 857,124.89, 1,285,698.27 and 590,813.90

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Solution

The fourth proportional to 857,124.89, 1,285,698.27 and 590,813.90 is: 886,228.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,124.89 : 1,285,698.27 = 590,813.90 : x
  2. Step 2: Convert to fraction form
    857,124.89/1,285,698.27 = 590,813.90/x
  3. Step 3: Cross multiply
    857,124.89x = 1,285,698.27 × 590,813.90
  4. Step 4: Simplify right side
    857,124.89x = 759,608,409,121.95
  5. Step 5: Solve for x
    x = 759,608,409,121.95/857,124.89
  6. Step 6: Final answer
    x = 886,228.39

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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.