Home / 940,001.80-1,410,002.70-308,979.40

Finding the Fourth Proportional to 940,001.80, 1,410,002.70 and 308,979.40

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Solution

The fourth proportional to 940,001.80, 1,410,002.70 and 308,979.40 is: 463,469.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    940,001.80 : 1,410,002.70 = 308,979.40 : x
  2. Step 2: Convert to fraction form
    940,001.80/1,410,002.70 = 308,979.40/x
  3. Step 3: Cross multiply
    940,001.80x = 1,410,002.70 × 308,979.40
  4. Step 4: Simplify right side
    940,001.80x = 435,661,788,244.38
  5. Step 5: Solve for x
    x = 435,661,788,244.38/940,001.80
  6. Step 6: Final answer
    x = 463,469.10

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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.