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Finding the Fourth Proportional to 859.02, 1,293.24 and 586.86

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Solution

The fourth proportional to 859.02, 1,293.24 and 586.86 is: 883.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    859.02 : 1,293.24 = 586.86 : x
  2. Step 2: Convert to fraction form
    859.02/1,293.24 = 586.86/x
  3. Step 3: Cross multiply
    859.02x = 1,293.24 × 586.86
  4. Step 4: Simplify right side
    859.02x = 758,950.83
  5. Step 5: Solve for x
    x = 758,950.83/859.02
  6. Step 6: Final answer
    x = 883.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.