Home / 1,077,847.80-1,616,771.70-319,716.60

Finding the Fourth Proportional to 1,077,847.80, 1,616,771.70 and 319,716.60

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Solution

The fourth proportional to 1,077,847.80, 1,616,771.70 and 319,716.60 is: 479,574.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,847.80 : 1,616,771.70 = 319,716.60 : x
  2. Step 2: Convert to fraction form
    1,077,847.80/1,616,771.70 = 319,716.60/x
  3. Step 3: Cross multiply
    1,077,847.80x = 1,616,771.70 × 319,716.60
  4. Step 4: Simplify right side
    1,077,847.80x = 516,908,750,900.22
  5. Step 5: Solve for x
    x = 516,908,750,900.22/1,077,847.80
  6. Step 6: Final answer
    x = 479,574.90

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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.