Home / 911,269.20-1,257,525.90-503,363.46

Finding the Fourth Proportional to 911,269.20, 1,257,525.90 and 503,363.46

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Solution

The fourth proportional to 911,269.20, 1,257,525.90 and 503,363.46 is: 694,627.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,269.20 : 1,257,525.90 = 503,363.46 : x
  2. Step 2: Convert to fraction form
    911,269.20/1,257,525.90 = 503,363.46/x
  3. Step 3: Cross multiply
    911,269.20x = 1,257,525.90 × 503,363.46
  4. Step 4: Simplify right side
    911,269.20x = 632,992,588,063.61
  5. Step 5: Solve for x
    x = 632,992,588,063.61/911,269.20
  6. Step 6: Final answer
    x = 694,627.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.