Home / 705,676.80-1,057,286.40-456,230.40

Finding the Fourth Proportional to 705,676.80, 1,057,286.40 and 456,230.40

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Solution

The fourth proportional to 705,676.80, 1,057,286.40 and 456,230.40 is: 683,551.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,676.80 : 1,057,286.40 = 456,230.40 : x
  2. Step 2: Convert to fraction form
    705,676.80/1,057,286.40 = 456,230.40/x
  3. Step 3: Cross multiply
    705,676.80x = 1,057,286.40 × 456,230.40
  4. Step 4: Simplify right side
    705,676.80x = 482,366,197,186.56
  5. Step 5: Solve for x
    x = 482,366,197,186.56/705,676.80
  6. Step 6: Final answer
    x = 683,551.16

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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.