Home / 873,676.56-1,310,514.30-242,590.20

Finding the Fourth Proportional to 873,676.56, 1,310,514.30 and 242,590.20

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Solution

The fourth proportional to 873,676.56, 1,310,514.30 and 242,590.20 is: 363,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    873,676.56 : 1,310,514.30 = 242,590.20 : x
  2. Step 2: Convert to fraction form
    873,676.56/1,310,514.30 = 242,590.20/x
  3. Step 3: Cross multiply
    873,676.56x = 1,310,514.30 × 242,590.20
  4. Step 4: Simplify right side
    873,676.56x = 317,917,926,139.86
  5. Step 5: Solve for x
    x = 317,917,926,139.86/873,676.56
  6. Step 6: Final answer
    x = 363,885.15

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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.