Home / 722,708.20-1,084,062.30-455,602.60

Finding the Fourth Proportional to 722,708.20, 1,084,062.30 and 455,602.60

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Solution

The fourth proportional to 722,708.20, 1,084,062.30 and 455,602.60 is: 683,403.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,708.20 : 1,084,062.30 = 455,602.60 : x
  2. Step 2: Convert to fraction form
    722,708.20/1,084,062.30 = 455,602.60/x
  3. Step 3: Cross multiply
    722,708.20x = 1,084,062.30 × 455,602.60
  4. Step 4: Simplify right side
    722,708.20x = 493,901,602,441.98
  5. Step 5: Solve for x
    x = 493,901,602,441.98/722,708.20
  6. Step 6: Final answer
    x = 683,403.90

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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.