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Finding the Fourth Proportional to 589,723.53, 883,288.69 and 487,361.49

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Solution

The fourth proportional to 589,723.53, 883,288.69 and 487,361.49 is: 729,970.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,723.53 : 883,288.69 = 487,361.49 : x
  2. Step 2: Convert to fraction form
    589,723.53/883,288.69 = 487,361.49/x
  3. Step 3: Cross multiply
    589,723.53x = 883,288.69 × 487,361.49
  4. Step 4: Simplify right side
    589,723.53x = 430,480,892,058.55
  5. Step 5: Solve for x
    x = 430,480,892,058.55/589,723.53
  6. Step 6: Final answer
    x = 729,970.69

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.