Home / 816,610.60-1,224,915.90-590,912.20

Finding the Fourth Proportional to 816,610.60, 1,224,915.90 and 590,912.20

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Solution

The fourth proportional to 816,610.60, 1,224,915.90 and 590,912.20 is: 886,368.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,610.60 : 1,224,915.90 = 590,912.20 : x
  2. Step 2: Convert to fraction form
    816,610.60/1,224,915.90 = 590,912.20/x
  3. Step 3: Cross multiply
    816,610.60x = 1,224,915.90 × 590,912.20
  4. Step 4: Simplify right side
    816,610.60x = 723,817,749,283.98
  5. Step 5: Solve for x
    x = 723,817,749,283.98/816,610.60
  6. Step 6: Final answer
    x = 886,368.30

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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.