Home / 842,714.76-1,263,481.92-310,166.76

Finding the Fourth Proportional to 842,714.76, 1,263,481.92 and 310,166.76

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Solution

The fourth proportional to 842,714.76, 1,263,481.92 and 310,166.76 is: 465,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,714.76 : 1,263,481.92 = 310,166.76 : x
  2. Step 2: Convert to fraction form
    842,714.76/1,263,481.92 = 310,166.76/x
  3. Step 3: Cross multiply
    842,714.76x = 1,263,481.92 × 310,166.76
  4. Step 4: Simplify right side
    842,714.76x = 391,890,093,444.98
  5. Step 5: Solve for x
    x = 391,890,093,444.98/842,714.76
  6. Step 6: Final answer
    x = 465,032.91

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1.5x scale

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.