Home / 816,697.80-1,224,171.90-367,342.20

Finding the Fourth Proportional to 816,697.80, 1,224,171.90 and 367,342.20

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Solution

The fourth proportional to 816,697.80, 1,224,171.90 and 367,342.20 is: 550,619.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,697.80 : 1,224,171.90 = 367,342.20 : x
  2. Step 2: Convert to fraction form
    816,697.80/1,224,171.90 = 367,342.20/x
  3. Step 3: Cross multiply
    816,697.80x = 1,224,171.90 × 367,342.20
  4. Step 4: Simplify right side
    816,697.80x = 449,689,998,924.18
  5. Step 5: Solve for x
    x = 449,689,998,924.18/816,697.80
  6. Step 6: Final answer
    x = 550,619.82

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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.