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Finding the Fourth Proportional to 655,383.69, 983,457.63 and 276,281.19

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Solution

The fourth proportional to 655,383.69, 983,457.63 and 276,281.19 is: 414,582.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,383.69 : 983,457.63 = 276,281.19 : x
  2. Step 2: Convert to fraction form
    655,383.69/983,457.63 = 276,281.19/x
  3. Step 3: Cross multiply
    655,383.69x = 983,457.63 × 276,281.19
  4. Step 4: Simplify right side
    655,383.69x = 271,710,844,330.98
  5. Step 5: Solve for x
    x = 271,710,844,330.98/655,383.69
  6. Step 6: Final answer
    x = 414,582.86

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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.