Home / 634,676.46-875,848.36-344,287.20

Finding the Fourth Proportional to 634,676.46, 875,848.36 and 344,287.20

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Solution

The fourth proportional to 634,676.46, 875,848.36 and 344,287.20 is: 475,113.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,676.46 : 875,848.36 = 344,287.20 : x
  2. Step 2: Convert to fraction form
    634,676.46/875,848.36 = 344,287.20/x
  3. Step 3: Cross multiply
    634,676.46x = 875,848.36 × 344,287.20
  4. Step 4: Simplify right side
    634,676.46x = 301,543,379,488.99
  5. Step 5: Solve for x
    x = 301,543,379,488.99/634,676.46
  6. Step 6: Final answer
    x = 475,113.54

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.