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Finding the Fourth Proportional to 603,589.78, 832,953.72 and 331,675.20

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Solution

The fourth proportional to 603,589.78, 832,953.72 and 331,675.20 is: 457,711.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,589.78 : 832,953.72 = 331,675.20 : x
  2. Step 2: Convert to fraction form
    603,589.78/832,953.72 = 331,675.20/x
  3. Step 3: Cross multiply
    603,589.78x = 832,953.72 × 331,675.20
  4. Step 4: Simplify right side
    603,589.78x = 276,270,091,671.74
  5. Step 5: Solve for x
    x = 276,270,091,671.74/603,589.78
  6. Step 6: Final answer
    x = 457,711.68

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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.