Home / 746,728.62-1,120,090.59-185,763.12

Finding the Fourth Proportional to 746,728.62, 1,120,090.59 and 185,763.12

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Solution

The fourth proportional to 746,728.62, 1,120,090.59 and 185,763.12 is: 278,644.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,728.62 : 1,120,090.59 = 185,763.12 : x
  2. Step 2: Convert to fraction form
    746,728.62/1,120,090.59 = 185,763.12/x
  3. Step 3: Cross multiply
    746,728.62x = 1,120,090.59 × 185,763.12
  4. Step 4: Simplify right side
    746,728.62x = 208,071,522,681.04
  5. Step 5: Solve for x
    x = 208,071,522,681.04/746,728.62
  6. Step 6: Final answer
    x = 278,644.10

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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.