Home / 986,714.34-1,479,812.31-425,624.10

Finding the Fourth Proportional to 986,714.34, 1,479,812.31 and 425,624.10

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Solution

The fourth proportional to 986,714.34, 1,479,812.31 and 425,624.10 is: 638,324.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,714.34 : 1,479,812.31 = 425,624.10 : x
  2. Step 2: Convert to fraction form
    986,714.34/1,479,812.31 = 425,624.10/x
  3. Step 3: Cross multiply
    986,714.34x = 1,479,812.31 × 425,624.10
  4. Step 4: Simplify right side
    986,714.34x = 629,843,782,612.67
  5. Step 5: Solve for x
    x = 629,843,782,612.67/986,714.34
  6. Step 6: Final answer
    x = 638,324.34

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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.