Home / 988,861.50-1,483,217.73-314,915.58

Finding the Fourth Proportional to 988,861.50, 1,483,217.73 and 314,915.58

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Solution

The fourth proportional to 988,861.50, 1,483,217.73 and 314,915.58 is: 472,349.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,861.50 : 1,483,217.73 = 314,915.58 : x
  2. Step 2: Convert to fraction form
    988,861.50/1,483,217.73 = 314,915.58/x
  3. Step 3: Cross multiply
    988,861.50x = 1,483,217.73 × 314,915.58
  4. Step 4: Simplify right side
    988,861.50x = 467,088,371,709.23
  5. Step 5: Solve for x
    x = 467,088,371,709.23/988,861.50
  6. Step 6: Final answer
    x = 472,349.64

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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.