Home / 879,265.53-1,318,209.29-347,184.83

Finding the Fourth Proportional to 879,265.53, 1,318,209.29 and 347,184.83

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Solution

The fourth proportional to 879,265.53, 1,318,209.29 and 347,184.83 is: 520,505.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,265.53 : 1,318,209.29 = 347,184.83 : x
  2. Step 2: Convert to fraction form
    879,265.53/1,318,209.29 = 347,184.83/x
  3. Step 3: Cross multiply
    879,265.53x = 1,318,209.29 × 347,184.83
  4. Step 4: Simplify right side
    879,265.53x = 457,662,268,253.07
  5. Step 5: Solve for x
    x = 457,662,268,253.07/879,265.53
  6. Step 6: Final answer
    x = 520,505.19

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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.