Home / 689,941.28-952,000.52-634,132.96

Finding the Fourth Proportional to 689,941.28, 952,000.52 and 634,132.96

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Solution

The fourth proportional to 689,941.28, 952,000.52 and 634,132.96 is: 874,994.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,941.28 : 952,000.52 = 634,132.96 : x
  2. Step 2: Convert to fraction form
    689,941.28/952,000.52 = 634,132.96/x
  3. Step 3: Cross multiply
    689,941.28x = 952,000.52 × 634,132.96
  4. Step 4: Simplify right side
    689,941.28x = 603,694,907,669.14
  5. Step 5: Solve for x
    x = 603,694,907,669.14/689,941.28
  6. Step 6: Final answer
    x = 874,994.62

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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.