Home / 743,618.16-1,112,671.62-444,261.60

Finding the Fourth Proportional to 743,618.16, 1,112,671.62 and 444,261.60

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Solution

The fourth proportional to 743,618.16, 1,112,671.62 and 444,261.60 is: 664,746.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    743,618.16 : 1,112,671.62 = 444,261.60 : x
  2. Step 2: Convert to fraction form
    743,618.16/1,112,671.62 = 444,261.60/x
  3. Step 3: Cross multiply
    743,618.16x = 1,112,671.62 × 444,261.60
  4. Step 4: Simplify right side
    743,618.16x = 494,317,274,175.79
  5. Step 5: Solve for x
    x = 494,317,274,175.79/743,618.16
  6. Step 6: Final answer
    x = 664,746.10

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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.