Home / 864,032.40-1,293,780.60-609,940.80

Finding the Fourth Proportional to 864,032.40, 1,293,780.60 and 609,940.80

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Solution

The fourth proportional to 864,032.40, 1,293,780.60 and 609,940.80 is: 913,310.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,032.40 : 1,293,780.60 = 609,940.80 : x
  2. Step 2: Convert to fraction form
    864,032.40/1,293,780.60 = 609,940.80/x
  3. Step 3: Cross multiply
    864,032.40x = 1,293,780.60 × 609,940.80
  4. Step 4: Simplify right side
    864,032.40x = 789,129,574,188.48
  5. Step 5: Solve for x
    x = 789,129,574,188.48/864,032.40
  6. Step 6: Final answer
    x = 913,310.17

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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.