Home / 879,311.04-1,318,915.53-339,461.64

Finding the Fourth Proportional to 879,311.04, 1,318,915.53 and 339,461.64

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Solution

The fourth proportional to 879,311.04, 1,318,915.53 and 339,461.64 is: 509,172.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,311.04 : 1,318,915.53 = 339,461.64 : x
  2. Step 2: Convert to fraction form
    879,311.04/1,318,915.53 = 339,461.64/x
  3. Step 3: Cross multiply
    879,311.04x = 1,318,915.53 × 339,461.64
  4. Step 4: Simplify right side
    879,311.04x = 447,721,228,835.27
  5. Step 5: Solve for x
    x = 447,721,228,835.27/879,311.04
  6. Step 6: Final answer
    x = 509,172.76

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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.