Home / 783,746.66-1,176,144.60-285,110.66

Finding the Fourth Proportional to 783,746.66, 1,176,144.60 and 285,110.66

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Solution

The fourth proportional to 783,746.66, 1,176,144.60 and 285,110.66 is: 427,856.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,746.66 : 1,176,144.60 = 285,110.66 : x
  2. Step 2: Convert to fraction form
    783,746.66/1,176,144.60 = 285,110.66/x
  3. Step 3: Cross multiply
    783,746.66x = 1,176,144.60 × 285,110.66
  4. Step 4: Simplify right side
    783,746.66x = 335,331,363,161.44
  5. Step 5: Solve for x
    x = 335,331,363,161.44/783,746.66
  6. Step 6: Final answer
    x = 427,856.83

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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.