Home / 1,077,385.46-1,616,102.79-319,212.69

Finding the Fourth Proportional to 1,077,385.46, 1,616,102.79 and 319,212.69

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Solution

The fourth proportional to 1,077,385.46, 1,616,102.79 and 319,212.69 is: 478,826.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,385.46 : 1,616,102.79 = 319,212.69 : x
  2. Step 2: Convert to fraction form
    1,077,385.46/1,616,102.79 = 319,212.69/x
  3. Step 3: Cross multiply
    1,077,385.46x = 1,616,102.79 × 319,212.69
  4. Step 4: Simplify right side
    1,077,385.46x = 515,880,518,912.41
  5. Step 5: Solve for x
    x = 515,880,518,912.41/1,077,385.46
  6. Step 6: Final answer
    x = 478,826.33

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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.