Home / 856,822.90-1,285,234.35-502,237.30

Finding the Fourth Proportional to 856,822.90, 1,285,234.35 and 502,237.30

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Solution

The fourth proportional to 856,822.90, 1,285,234.35 and 502,237.30 is: 753,355.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    856,822.90 : 1,285,234.35 = 502,237.30 : x
  2. Step 2: Convert to fraction form
    856,822.90/1,285,234.35 = 502,237.30/x
  3. Step 3: Cross multiply
    856,822.90x = 1,285,234.35 × 502,237.30
  4. Step 4: Simplify right side
    856,822.90x = 645,492,629,811.26
  5. Step 5: Solve for x
    x = 645,492,629,811.26/856,822.90
  6. Step 6: Final answer
    x = 753,355.95

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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.