Home / 911,439.60-1,365,342.57-551,418.90

Finding the Fourth Proportional to 911,439.60, 1,365,342.57 and 551,418.90

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Solution

The fourth proportional to 911,439.60, 1,365,342.57 and 551,418.90 is: 826,029.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    911,439.60 : 1,365,342.57 = 551,418.90 : x
  2. Step 2: Convert to fraction form
    911,439.60/1,365,342.57 = 551,418.90/x
  3. Step 3: Cross multiply
    911,439.60x = 1,365,342.57 × 551,418.90
  4. Step 4: Simplify right side
    911,439.60x = 752,875,698,072.57
  5. Step 5: Solve for x
    x = 752,875,698,072.57/911,439.60
  6. Step 6: Final answer
    x = 826,029.17

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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.