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Finding the Fourth Proportional to 655,683.48, 983,330.82 and 281,619

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Solution

The fourth proportional to 655,683.48, 983,330.82 and 281,619 is: 422,345.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,683.48 : 983,330.82 = 281,619 : x
  2. Step 2: Convert to fraction form
    655,683.48/983,330.82 = 281,619/x
  3. Step 3: Cross multiply
    655,683.48x = 983,330.82 × 281,619
  4. Step 4: Simplify right side
    655,683.48x = 276,924,642,197.58
  5. Step 5: Solve for x
    x = 276,924,642,197.58/655,683.48
  6. Step 6: Final answer
    x = 422,345.00

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Why These Related Problems?

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