Home / 876,676.32-1,313,956.35-426,722.94

Finding the Fourth Proportional to 876,676.32, 1,313,956.35 and 426,722.94

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Solution

The fourth proportional to 876,676.32, 1,313,956.35 and 426,722.94 is: 639,569.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,676.32 : 1,313,956.35 = 426,722.94 : x
  2. Step 2: Convert to fraction form
    876,676.32/1,313,956.35 = 426,722.94/x
  3. Step 3: Cross multiply
    876,676.32x = 1,313,956.35 × 426,722.94
  4. Step 4: Simplify right side
    876,676.32x = 560,695,316,703.67
  5. Step 5: Solve for x
    x = 560,695,316,703.67/876,676.32
  6. Step 6: Final answer
    x = 639,569.36

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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.