Home / 984,550.32-1,476,825.48-310,699.80

Finding the Fourth Proportional to 984,550.32, 1,476,825.48 and 310,699.80

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Solution

The fourth proportional to 984,550.32, 1,476,825.48 and 310,699.80 is: 466,049.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,550.32 : 1,476,825.48 = 310,699.80 : x
  2. Step 2: Convert to fraction form
    984,550.32/1,476,825.48 = 310,699.80/x
  3. Step 3: Cross multiply
    984,550.32x = 1,476,825.48 × 310,699.80
  4. Step 4: Simplify right side
    984,550.32x = 458,849,381,270.90
  5. Step 5: Solve for x
    x = 458,849,381,270.90/984,550.32
  6. Step 6: Final answer
    x = 466,049.70

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Double scale
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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.