Home / 722,818.80-1,084,228.20-349,570.80

Finding the Fourth Proportional to 722,818.80, 1,084,228.20 and 349,570.80

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Solution

The fourth proportional to 722,818.80, 1,084,228.20 and 349,570.80 is: 524,356.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,818.80 : 1,084,228.20 = 349,570.80 : x
  2. Step 2: Convert to fraction form
    722,818.80/1,084,228.20 = 349,570.80/x
  3. Step 3: Cross multiply
    722,818.80x = 1,084,228.20 × 349,570.80
  4. Step 4: Simplify right side
    722,818.80x = 379,014,519,256.56
  5. Step 5: Solve for x
    x = 379,014,519,256.56/722,818.80
  6. Step 6: Final answer
    x = 524,356.20

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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.