Home / 1,431,331.80-2,146,996.32-366,372.16

Finding the Fourth Proportional to 1,431,331.80, 2,146,996.32 and 366,372.16

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Solution

The fourth proportional to 1,431,331.80, 2,146,996.32 and 366,372.16 is: 549,557.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,431,331.80 : 2,146,996.32 = 366,372.16 : x
  2. Step 2: Convert to fraction form
    1,431,331.80/2,146,996.32 = 366,372.16/x
  3. Step 3: Cross multiply
    1,431,331.80x = 2,146,996.32 × 366,372.16
  4. Step 4: Simplify right side
    1,431,331.80x = 786,599,679,270.45
  5. Step 5: Solve for x
    x = 786,599,679,270.45/1,431,331.80
  6. Step 6: Final answer
    x = 549,557.89

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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.