Home / 919,484.40-1,379,615.40-582,783.60

Finding the Fourth Proportional to 919,484.40, 1,379,615.40 and 582,783.60

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Solution

The fourth proportional to 919,484.40, 1,379,615.40 and 582,783.60 is: 874,421.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,484.40 : 1,379,615.40 = 582,783.60 : x
  2. Step 2: Convert to fraction form
    919,484.40/1,379,615.40 = 582,783.60/x
  3. Step 3: Cross multiply
    919,484.40x = 1,379,615.40 × 582,783.60
  4. Step 4: Simplify right side
    919,484.40x = 804,017,229,427.44
  5. Step 5: Solve for x
    x = 804,017,229,427.44/919,484.40
  6. Step 6: Final answer
    x = 874,421.83

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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.