Home / 879,276.94-1,318,226.38-347,196.22

Finding the Fourth Proportional to 879,276.94, 1,318,226.38 and 347,196.22

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Solution

The fourth proportional to 879,276.94, 1,318,226.38 and 347,196.22 is: 520,522.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,276.94 : 1,318,226.38 = 347,196.22 : x
  2. Step 2: Convert to fraction form
    879,276.94/1,318,226.38 = 347,196.22/x
  3. Step 3: Cross multiply
    879,276.94x = 1,318,226.38 × 347,196.22
  4. Step 4: Simplify right side
    879,276.94x = 457,683,216,240.28
  5. Step 5: Solve for x
    x = 457,683,216,240.28/879,276.94
  6. Step 6: Final answer
    x = 520,522.26

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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.