Home / 879,276.70-1,318,226-347,196

Finding the Fourth Proportional to 879,276.70, 1,318,226 and 347,196

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Solution

The fourth proportional to 879,276.70, 1,318,226 and 347,196 is: 520,521.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,276.70 : 1,318,226 = 347,196 : x
  2. Step 2: Convert to fraction form
    879,276.70/1,318,226 = 347,196/x
  3. Step 3: Cross multiply
    879,276.70x = 1,318,226 × 347,196
  4. Step 4: Simplify right side
    879,276.70x = 457,682,794,296
  5. Step 5: Solve for x
    x = 457,682,794,296/879,276.70
  6. Step 6: Final answer
    x = 520,521.92

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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.