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Finding the Fourth Proportional to 655,365.36, 983,430.15 and 276,262.90

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Solution

The fourth proportional to 655,365.36, 983,430.15 and 276,262.90 is: 414,555.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    655,365.36 : 983,430.15 = 276,262.90 : x
  2. Step 2: Convert to fraction form
    655,365.36/983,430.15 = 276,262.90/x
  3. Step 3: Cross multiply
    655,365.36x = 983,430.15 × 276,262.90
  4. Step 4: Simplify right side
    655,365.36x = 271,685,265,186.44
  5. Step 5: Solve for x
    x = 271,685,265,186.44/655,365.36
  6. Step 6: Final answer
    x = 414,555.42

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1.5x scale

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.