Home / 722,821.80-1,084,232.70-607,348.20

Finding the Fourth Proportional to 722,821.80, 1,084,232.70 and 607,348.20

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Solution

The fourth proportional to 722,821.80, 1,084,232.70 and 607,348.20 is: 911,022.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,821.80 : 1,084,232.70 = 607,348.20 : x
  2. Step 2: Convert to fraction form
    722,821.80/1,084,232.70 = 607,348.20/x
  3. Step 3: Cross multiply
    722,821.80x = 1,084,232.70 × 607,348.20
  4. Step 4: Simplify right side
    722,821.80x = 658,506,778,726.14
  5. Step 5: Solve for x
    x = 658,506,778,726.14/722,821.80
  6. Step 6: Final answer
    x = 911,022.30

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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.