Home / 722,722.60-1,084,083.90-368,428.60

Finding the Fourth Proportional to 722,722.60, 1,084,083.90 and 368,428.60

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Solution

The fourth proportional to 722,722.60, 1,084,083.90 and 368,428.60 is: 552,642.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,722.60 : 1,084,083.90 = 368,428.60 : x
  2. Step 2: Convert to fraction form
    722,722.60/1,084,083.90 = 368,428.60/x
  3. Step 3: Cross multiply
    722,722.60x = 1,084,083.90 × 368,428.60
  4. Step 4: Simplify right side
    722,722.60x = 399,407,513,559.54
  5. Step 5: Solve for x
    x = 399,407,513,559.54/722,722.60
  6. Step 6: Final answer
    x = 552,642.90

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1.5x scale

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.