Home / 672,590.40-1,008,885.60-251,811.60

Finding the Fourth Proportional to 672,590.40, 1,008,885.60 and 251,811.60

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Solution

The fourth proportional to 672,590.40, 1,008,885.60 and 251,811.60 is: 377,717.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,590.40 : 1,008,885.60 = 251,811.60 : x
  2. Step 2: Convert to fraction form
    672,590.40/1,008,885.60 = 251,811.60/x
  3. Step 3: Cross multiply
    672,590.40x = 1,008,885.60 × 251,811.60
  4. Step 4: Simplify right side
    672,590.40x = 254,049,097,152.96
  5. Step 5: Solve for x
    x = 254,049,097,152.96/672,590.40
  6. Step 6: Final answer
    x = 377,717.40

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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.