Home / 690,878.61-1,036,628.94-374,861.97

Finding the Fourth Proportional to 690,878.61, 1,036,628.94 and 374,861.97

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Solution

The fourth proportional to 690,878.61, 1,036,628.94 and 374,861.97 is: 562,461.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,878.61 : 1,036,628.94 = 374,861.97 : x
  2. Step 2: Convert to fraction form
    690,878.61/1,036,628.94 = 374,861.97/x
  3. Step 3: Cross multiply
    690,878.61x = 1,036,628.94 × 374,861.97
  4. Step 4: Simplify right side
    690,878.61x = 388,592,766,607.41
  5. Step 5: Solve for x
    x = 388,592,766,607.41/690,878.61
  6. Step 6: Final answer
    x = 562,461.71

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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.