Home / 842,890.25-1,264,653.91-506,165.66

Finding the Fourth Proportional to 842,890.25, 1,264,653.91 and 506,165.66

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Solution

The fourth proportional to 842,890.25, 1,264,653.91 and 506,165.66 is: 759,439.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,890.25 : 1,264,653.91 = 506,165.66 : x
  2. Step 2: Convert to fraction form
    842,890.25/1,264,653.91 = 506,165.66/x
  3. Step 3: Cross multiply
    842,890.25x = 1,264,653.91 × 506,165.66
  4. Step 4: Simplify right side
    842,890.25x = 640,124,380,078.62
  5. Step 5: Solve for x
    x = 640,124,380,078.62/842,890.25
  6. Step 6: Final answer
    x = 759,439.77

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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.