Home / 707,942.20-1,063,142.10-376,166.20

Finding the Fourth Proportional to 707,942.20, 1,063,142.10 and 376,166.20

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Solution

The fourth proportional to 707,942.20, 1,063,142.10 and 376,166.20 is: 564,902.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,942.20 : 1,063,142.10 = 376,166.20 : x
  2. Step 2: Convert to fraction form
    707,942.20/1,063,142.10 = 376,166.20/x
  3. Step 3: Cross multiply
    707,942.20x = 1,063,142.10 × 376,166.20
  4. Step 4: Simplify right side
    707,942.20x = 399,918,123,817.02
  5. Step 5: Solve for x
    x = 399,918,123,817.02/707,942.20
  6. Step 6: Final answer
    x = 564,902.22

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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.