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Finding the Fourth Proportional to 589,487.60, 884,231.40 and 215,656.40

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Solution

The fourth proportional to 589,487.60, 884,231.40 and 215,656.40 is: 323,484.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,487.60 : 884,231.40 = 215,656.40 : x
  2. Step 2: Convert to fraction form
    589,487.60/884,231.40 = 215,656.40/x
  3. Step 3: Cross multiply
    589,487.60x = 884,231.40 × 215,656.40
  4. Step 4: Simplify right side
    589,487.60x = 190,690,160,490.96
  5. Step 5: Solve for x
    x = 190,690,160,490.96/589,487.60
  6. Step 6: Final answer
    x = 323,484.60

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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.