Home / 492,919.24-679,915.32-323,164.24

Finding the Fourth Proportional to 492,919.24, 679,915.32 and 323,164.24

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Solution

The fourth proportional to 492,919.24, 679,915.32 and 323,164.24 is: 445,761.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    492,919.24 : 679,915.32 = 323,164.24 : x
  2. Step 2: Convert to fraction form
    492,919.24/679,915.32 = 323,164.24/x
  3. Step 3: Cross multiply
    492,919.24x = 679,915.32 × 323,164.24
  4. Step 4: Simplify right side
    492,919.24x = 219,724,317,652.16
  5. Step 5: Solve for x
    x = 219,724,317,652.16/492,919.24
  6. Step 6: Final answer
    x = 445,761.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.