Home / 864,076.40-1,293,846.60-609,984.80

Finding the Fourth Proportional to 864,076.40, 1,293,846.60 and 609,984.80

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Solution

The fourth proportional to 864,076.40, 1,293,846.60 and 609,984.80 is: 913,376.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,076.40 : 1,293,846.60 = 609,984.80 : x
  2. Step 2: Convert to fraction form
    864,076.40/1,293,846.60 = 609,984.80/x
  3. Step 3: Cross multiply
    864,076.40x = 1,293,846.60 × 609,984.80
  4. Step 4: Simplify right side
    864,076.40x = 789,226,759,531.68
  5. Step 5: Solve for x
    x = 789,226,759,531.68/864,076.40
  6. Step 6: Final answer
    x = 913,376.13

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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.