Home / 691,967.80-1,037,951.70-373,103.20

Finding the Fourth Proportional to 691,967.80, 1,037,951.70 and 373,103.20

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Solution

The fourth proportional to 691,967.80, 1,037,951.70 and 373,103.20 is: 559,654.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,967.80 : 1,037,951.70 = 373,103.20 : x
  2. Step 2: Convert to fraction form
    691,967.80/1,037,951.70 = 373,103.20/x
  3. Step 3: Cross multiply
    691,967.80x = 1,037,951.70 × 373,103.20
  4. Step 4: Simplify right side
    691,967.80x = 387,263,100,715.44
  5. Step 5: Solve for x
    x = 387,263,100,715.44/691,967.80
  6. Step 6: Final answer
    x = 559,654.80

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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.