Home / 722,999.80-1,084,499.70-349,751.80

Finding the Fourth Proportional to 722,999.80, 1,084,499.70 and 349,751.80

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Solution

The fourth proportional to 722,999.80, 1,084,499.70 and 349,751.80 is: 524,627.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,999.80 : 1,084,499.70 = 349,751.80 : x
  2. Step 2: Convert to fraction form
    722,999.80/1,084,499.70 = 349,751.80/x
  3. Step 3: Cross multiply
    722,999.80x = 1,084,499.70 × 349,751.80
  4. Step 4: Simplify right side
    722,999.80x = 379,305,722,174.46
  5. Step 5: Solve for x
    x = 379,305,722,174.46/722,999.80
  6. Step 6: Final answer
    x = 524,627.70

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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.