Home / 984,767.80-1,477,151.70-319,919.80

Finding the Fourth Proportional to 984,767.80, 1,477,151.70 and 319,919.80

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Solution

The fourth proportional to 984,767.80, 1,477,151.70 and 319,919.80 is: 479,879.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,767.80 : 1,477,151.70 = 319,919.80 : x
  2. Step 2: Convert to fraction form
    984,767.80/1,477,151.70 = 319,919.80/x
  3. Step 3: Cross multiply
    984,767.80x = 1,477,151.70 × 319,919.80
  4. Step 4: Simplify right side
    984,767.80x = 472,570,076,433.66
  5. Step 5: Solve for x
    x = 472,570,076,433.66/984,767.80
  6. Step 6: Final answer
    x = 479,879.70

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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.