Home / 864,102.40-1,293,885.60-610,010.80

Finding the Fourth Proportional to 864,102.40, 1,293,885.60 and 610,010.80

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Solution

The fourth proportional to 864,102.40, 1,293,885.60 and 610,010.80 is: 913,415.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,102.40 : 1,293,885.60 = 610,010.80 : x
  2. Step 2: Convert to fraction form
    864,102.40/1,293,885.60 = 610,010.80/x
  3. Step 3: Cross multiply
    864,102.40x = 1,293,885.60 × 610,010.80
  4. Step 4: Simplify right side
    864,102.40x = 789,284,189,964.48
  5. Step 5: Solve for x
    x = 789,284,189,964.48/864,102.40
  6. Step 6: Final answer
    x = 913,415.11

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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.