Home / 516,890.42-774,829.44-289,297.20

Finding the Fourth Proportional to 516,890.42, 774,829.44 and 289,297.20

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Solution

The fourth proportional to 516,890.42, 774,829.44 and 289,297.20 is: 433,662.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    516,890.42 : 774,829.44 = 289,297.20 : x
  2. Step 2: Convert to fraction form
    516,890.42/774,829.44 = 289,297.20/x
  3. Step 3: Cross multiply
    516,890.42x = 774,829.44 × 289,297.20
  4. Step 4: Simplify right side
    516,890.42x = 224,155,987,469.57
  5. Step 5: Solve for x
    x = 224,155,987,469.57/516,890.42
  6. Step 6: Final answer
    x = 433,662.49

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Similar ratio
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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.