Home / 545,580.40-817,845.64-279,466.24

Finding the Fourth Proportional to 545,580.40, 817,845.64 and 279,466.24

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Solution

The fourth proportional to 545,580.40, 817,845.64 and 279,466.24 is: 418,930.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,580.40 : 817,845.64 = 279,466.24 : x
  2. Step 2: Convert to fraction form
    545,580.40/817,845.64 = 279,466.24/x
  3. Step 3: Cross multiply
    545,580.40x = 817,845.64 × 279,466.24
  4. Step 4: Simplify right side
    545,580.40x = 228,560,245,911.19
  5. Step 5: Solve for x
    x = 228,560,245,911.19/545,580.40
  6. Step 6: Final answer
    x = 418,930.46

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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.