Home / 842,214.72-1,162,271.52-460,257.60

Finding the Fourth Proportional to 842,214.72, 1,162,271.52 and 460,257.60

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Solution

The fourth proportional to 842,214.72, 1,162,271.52 and 460,257.60 is: 635,163.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,214.72 : 1,162,271.52 = 460,257.60 : x
  2. Step 2: Convert to fraction form
    842,214.72/1,162,271.52 = 460,257.60/x
  3. Step 3: Cross multiply
    842,214.72x = 1,162,271.52 × 460,257.60
  4. Step 4: Simplify right side
    842,214.72x = 534,944,300,343.55
  5. Step 5: Solve for x
    x = 534,944,300,343.55/842,214.72
  6. Step 6: Final answer
    x = 635,163.80

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Double scale
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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.