Home / 679,005.56-936,676.34-461,225.46

Finding the Fourth Proportional to 679,005.56, 936,676.34 and 461,225.46

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Solution

The fourth proportional to 679,005.56, 936,676.34 and 461,225.46 is: 636,252.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,005.56 : 936,676.34 = 461,225.46 : x
  2. Step 2: Convert to fraction form
    679,005.56/936,676.34 = 461,225.46/x
  3. Step 3: Cross multiply
    679,005.56x = 936,676.34 × 461,225.46
  4. Step 4: Simplify right side
    679,005.56x = 432,018,975,787.62
  5. Step 5: Solve for x
    x = 432,018,975,787.62/679,005.56
  6. Step 6: Final answer
    x = 636,252.49

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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.