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Finding the Fourth Proportional to 589,142.40, 883,713.60 and 323,721.60

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Solution

The fourth proportional to 589,142.40, 883,713.60 and 323,721.60 is: 485,582.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,142.40 : 883,713.60 = 323,721.60 : x
  2. Step 2: Convert to fraction form
    589,142.40/883,713.60 = 323,721.60/x
  3. Step 3: Cross multiply
    589,142.40x = 883,713.60 × 323,721.60
  4. Step 4: Simplify right side
    589,142.40x = 286,077,180,533.76
  5. Step 5: Solve for x
    x = 286,077,180,533.76/589,142.40
  6. Step 6: Final answer
    x = 485,582.40

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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.