Home / 722,999.60-1,084,499.40-368,705.60

Finding the Fourth Proportional to 722,999.60, 1,084,499.40 and 368,705.60

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Solution

The fourth proportional to 722,999.60, 1,084,499.40 and 368,705.60 is: 553,058.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,999.60 : 1,084,499.40 = 368,705.60 : x
  2. Step 2: Convert to fraction form
    722,999.60/1,084,499.40 = 368,705.60/x
  3. Step 3: Cross multiply
    722,999.60x = 1,084,499.40 × 368,705.60
  4. Step 4: Simplify right side
    722,999.60x = 399,861,001,976.64
  5. Step 5: Solve for x
    x = 399,861,001,976.64/722,999.60
  6. Step 6: Final answer
    x = 553,058.40

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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.