Home / 722,567.80-1,084,466.10-323,822.20

Finding the Fourth Proportional to 722,567.80, 1,084,466.10 and 323,822.20

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Solution

The fourth proportional to 722,567.80, 1,084,466.10 and 323,822.20 is: 486,008.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,567.80 : 1,084,466.10 = 323,822.20 : x
  2. Step 2: Convert to fraction form
    722,567.80/1,084,466.10 = 323,822.20/x
  3. Step 3: Cross multiply
    722,567.80x = 1,084,466.10 × 323,822.20
  4. Step 4: Simplify right side
    722,567.80x = 351,174,198,327.42
  5. Step 5: Solve for x
    x = 351,174,198,327.42/722,567.80
  6. Step 6: Final answer
    x = 486,008.65

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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.