Home / 730,861.72-1,008,596.65-408,589.72

Finding the Fourth Proportional to 730,861.72, 1,008,596.65 and 408,589.72

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Solution

The fourth proportional to 730,861.72, 1,008,596.65 and 408,589.72 is: 563,857.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,861.72 : 1,008,596.65 = 408,589.72 : x
  2. Step 2: Convert to fraction form
    730,861.72/1,008,596.65 = 408,589.72/x
  3. Step 3: Cross multiply
    730,861.72x = 1,008,596.65 × 408,589.72
  4. Step 4: Simplify right side
    730,861.72x = 412,102,217,773.46
  5. Step 5: Solve for x
    x = 412,102,217,773.46/730,861.72
  6. Step 6: Final answer
    x = 563,857.99

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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.