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Finding the Fourth Proportional to 637,342.72, 956,604.84 and 322,021.24

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Solution

The fourth proportional to 637,342.72, 956,604.84 and 322,021.24 is: 483,330.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,342.72 : 956,604.84 = 322,021.24 : x
  2. Step 2: Convert to fraction form
    637,342.72/956,604.84 = 322,021.24/x
  3. Step 3: Cross multiply
    637,342.72x = 956,604.84 × 322,021.24
  4. Step 4: Simplify right side
    637,342.72x = 308,047,076,766.80
  5. Step 5: Solve for x
    x = 308,047,076,766.80/637,342.72
  6. Step 6: Final answer
    x = 483,330.35

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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.