Home / 864,816.72-1,297,294.20-303,977.04

Finding the Fourth Proportional to 864,816.72, 1,297,294.20 and 303,977.04

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Solution

The fourth proportional to 864,816.72, 1,297,294.20 and 303,977.04 is: 455,989.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,816.72 : 1,297,294.20 = 303,977.04 : x
  2. Step 2: Convert to fraction form
    864,816.72/1,297,294.20 = 303,977.04/x
  3. Step 3: Cross multiply
    864,816.72x = 1,297,294.20 × 303,977.04
  4. Step 4: Simplify right side
    864,816.72x = 394,347,650,925.17
  5. Step 5: Solve for x
    x = 394,347,650,925.17/864,816.72
  6. Step 6: Final answer
    x = 455,989.86

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1.5x scale

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.