Home / 722,570.80-1,084,470.60-323,825.20

Finding the Fourth Proportional to 722,570.80, 1,084,470.60 and 323,825.20

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Solution

The fourth proportional to 722,570.80, 1,084,470.60 and 323,825.20 is: 486,013.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,570.80 : 1,084,470.60 = 323,825.20 : x
  2. Step 2: Convert to fraction form
    722,570.80/1,084,470.60 = 323,825.20/x
  3. Step 3: Cross multiply
    722,570.80x = 1,084,470.60 × 323,825.20
  4. Step 4: Simplify right side
    722,570.80x = 351,178,908,939.12
  5. Step 5: Solve for x
    x = 351,178,908,939.12/722,570.80
  6. Step 6: Final answer
    x = 486,013.15

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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.