Home / 879,324.32-1,213,469.70-476,916.32

Finding the Fourth Proportional to 879,324.32, 1,213,469.70 and 476,916.32

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Solution

The fourth proportional to 879,324.32, 1,213,469.70 and 476,916.32 is: 658,145.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,324.32 : 1,213,469.70 = 476,916.32 : x
  2. Step 2: Convert to fraction form
    879,324.32/1,213,469.70 = 476,916.32/x
  3. Step 3: Cross multiply
    879,324.32x = 1,213,469.70 × 476,916.32
  4. Step 4: Simplify right side
    879,324.32x = 578,723,503,755.50
  5. Step 5: Solve for x
    x = 578,723,503,755.50/879,324.32
  6. Step 6: Final answer
    x = 658,145.68

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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.