Home / 879,261.20-1,318,891.80-574,830.80

Finding the Fourth Proportional to 879,261.20, 1,318,891.80 and 574,830.80

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Solution

The fourth proportional to 879,261.20, 1,318,891.80 and 574,830.80 is: 862,246.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,261.20 : 1,318,891.80 = 574,830.80 : x
  2. Step 2: Convert to fraction form
    879,261.20/1,318,891.80 = 574,830.80/x
  3. Step 3: Cross multiply
    879,261.20x = 1,318,891.80 × 574,830.80
  4. Step 4: Simplify right side
    879,261.20x = 758,139,628,507.44
  5. Step 5: Solve for x
    x = 758,139,628,507.44/879,261.20
  6. Step 6: Final answer
    x = 862,246.20

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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.