Home / 722,910.80-1,084,366.20-470,968.40

Finding the Fourth Proportional to 722,910.80, 1,084,366.20 and 470,968.40

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Solution

The fourth proportional to 722,910.80, 1,084,366.20 and 470,968.40 is: 706,452.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,910.80 : 1,084,366.20 = 470,968.40 : x
  2. Step 2: Convert to fraction form
    722,910.80/1,084,366.20 = 470,968.40/x
  3. Step 3: Cross multiply
    722,910.80x = 1,084,366.20 × 470,968.40
  4. Step 4: Simplify right side
    722,910.80x = 510,702,214,228.08
  5. Step 5: Solve for x
    x = 510,702,214,228.08/722,910.80
  6. Step 6: Final answer
    x = 706,452.60

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Similar ratio
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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.