Home / 828,013.44-1,142,664.86-460,495.72

Finding the Fourth Proportional to 828,013.44, 1,142,664.86 and 460,495.72

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Solution

The fourth proportional to 828,013.44, 1,142,664.86 and 460,495.72 is: 635,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,013.44 : 1,142,664.86 = 460,495.72 : x
  2. Step 2: Convert to fraction form
    828,013.44/1,142,664.86 = 460,495.72/x
  3. Step 3: Cross multiply
    828,013.44x = 1,142,664.86 × 460,495.72
  4. Step 4: Simplify right side
    828,013.44x = 526,192,269,408.60
  5. Step 5: Solve for x
    x = 526,192,269,408.60/828,013.44
  6. Step 6: Final answer
    x = 635,487.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.