Home / 990,564.30-1,485,846.45-242,610.30

Finding the Fourth Proportional to 990,564.30, 1,485,846.45 and 242,610.30

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Solution

The fourth proportional to 990,564.30, 1,485,846.45 and 242,610.30 is: 363,915.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,564.30 : 1,485,846.45 = 242,610.30 : x
  2. Step 2: Convert to fraction form
    990,564.30/1,485,846.45 = 242,610.30/x
  3. Step 3: Cross multiply
    990,564.30x = 1,485,846.45 × 242,610.30
  4. Step 4: Simplify right side
    990,564.30x = 360,481,652,988.44
  5. Step 5: Solve for x
    x = 360,481,652,988.44/990,564.30
  6. Step 6: Final answer
    x = 363,915.45

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Half scale
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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.