Home / 674,429.60-1,011,644.39-374,766.86

Finding the Fourth Proportional to 674,429.60, 1,011,644.39 and 374,766.86

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Solution

The fourth proportional to 674,429.60, 1,011,644.39 and 374,766.86 is: 562,150.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,429.60 : 1,011,644.39 = 374,766.86 : x
  2. Step 2: Convert to fraction form
    674,429.60/1,011,644.39 = 374,766.86/x
  3. Step 3: Cross multiply
    674,429.60x = 1,011,644.39 × 374,766.86
  4. Step 4: Simplify right side
    674,429.60x = 379,130,784,544.86
  5. Step 5: Solve for x
    x = 379,130,784,544.86/674,429.60
  6. Step 6: Final answer
    x = 562,150.28

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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.