Home / 722,818.80-1,084,228.20-607,345.20

Finding the Fourth Proportional to 722,818.80, 1,084,228.20 and 607,345.20

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Solution

The fourth proportional to 722,818.80, 1,084,228.20 and 607,345.20 is: 911,017.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,818.80 : 1,084,228.20 = 607,345.20 : x
  2. Step 2: Convert to fraction form
    722,818.80/1,084,228.20 = 607,345.20/x
  3. Step 3: Cross multiply
    722,818.80x = 1,084,228.20 × 607,345.20
  4. Step 4: Simplify right side
    722,818.80x = 658,500,792,974.64
  5. Step 5: Solve for x
    x = 658,500,792,974.64/722,818.80
  6. Step 6: Final answer
    x = 911,017.80

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Double scale
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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.