Home / 689,942.28-952,001.90-634,133.96

Finding the Fourth Proportional to 689,942.28, 952,001.90 and 634,133.96

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Solution

The fourth proportional to 689,942.28, 952,001.90 and 634,133.96 is: 874,996.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    689,942.28 : 952,001.90 = 634,133.96 : x
  2. Step 2: Convert to fraction form
    689,942.28/952,001.90 = 634,133.96/x
  3. Step 3: Cross multiply
    689,942.28x = 952,001.90 × 634,133.96
  4. Step 4: Simplify right side
    689,942.28x = 603,696,734,774.52
  5. Step 5: Solve for x
    x = 603,696,734,774.52/689,942.28
  6. Step 6: Final answer
    x = 874,996.00

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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.