Home / 984,643.78-1,476,965.55-236,689.78

Finding the Fourth Proportional to 984,643.78, 1,476,965.55 and 236,689.78

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Solution

The fourth proportional to 984,643.78, 1,476,965.55 and 236,689.78 is: 355,034.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,643.78 : 1,476,965.55 = 236,689.78 : x
  2. Step 2: Convert to fraction form
    984,643.78/1,476,965.55 = 236,689.78/x
  3. Step 3: Cross multiply
    984,643.78x = 1,476,965.55 × 236,689.78
  4. Step 4: Simplify right side
    984,643.78x = 349,582,651,097.08
  5. Step 5: Solve for x
    x = 349,582,651,097.08/984,643.78
  6. Step 6: Final answer
    x = 355,034.64

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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.