Home / 879,226.80-1,318,840.20-435,937.20

Finding the Fourth Proportional to 879,226.80, 1,318,840.20 and 435,937.20

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Solution

The fourth proportional to 879,226.80, 1,318,840.20 and 435,937.20 is: 653,905.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,226.80 : 1,318,840.20 = 435,937.20 : x
  2. Step 2: Convert to fraction form
    879,226.80/1,318,840.20 = 435,937.20/x
  3. Step 3: Cross multiply
    879,226.80x = 1,318,840.20 × 435,937.20
  4. Step 4: Simplify right side
    879,226.80x = 574,931,504,035.44
  5. Step 5: Solve for x
    x = 574,931,504,035.44/879,226.80
  6. Step 6: Final answer
    x = 653,905.80

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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.