Home / 707,337.87-1,061,017.74-393,787.68

Finding the Fourth Proportional to 707,337.87, 1,061,017.74 and 393,787.68

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Solution

The fourth proportional to 707,337.87, 1,061,017.74 and 393,787.68 is: 590,687.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,337.87 : 1,061,017.74 = 393,787.68 : x
  2. Step 2: Convert to fraction form
    707,337.87/1,061,017.74 = 393,787.68/x
  3. Step 3: Cross multiply
    707,337.87x = 1,061,017.74 × 393,787.68
  4. Step 4: Simplify right side
    707,337.87x = 417,815,714,273.44
  5. Step 5: Solve for x
    x = 417,815,714,273.44/707,337.87
  6. Step 6: Final answer
    x = 590,687.61

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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.