Home / 1,102,814.40-1,654,221.60-304,219.20

Finding the Fourth Proportional to 1,102,814.40, 1,654,221.60 and 304,219.20

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Solution

The fourth proportional to 1,102,814.40, 1,654,221.60 and 304,219.20 is: 456,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,814.40 : 1,654,221.60 = 304,219.20 : x
  2. Step 2: Convert to fraction form
    1,102,814.40/1,654,221.60 = 304,219.20/x
  3. Step 3: Cross multiply
    1,102,814.40x = 1,654,221.60 × 304,219.20
  4. Step 4: Simplify right side
    1,102,814.40x = 503,245,971,774.72
  5. Step 5: Solve for x
    x = 503,245,971,774.72/1,102,814.40
  6. Step 6: Final answer
    x = 456,328.80

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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.