Home / 828,881.74-1,243,322.61-296,370.48

Finding the Fourth Proportional to 828,881.74, 1,243,322.61 and 296,370.48

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Solution

The fourth proportional to 828,881.74, 1,243,322.61 and 296,370.48 is: 444,555.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,881.74 : 1,243,322.61 = 296,370.48 : x
  2. Step 2: Convert to fraction form
    828,881.74/1,243,322.61 = 296,370.48/x
  3. Step 3: Cross multiply
    828,881.74x = 1,243,322.61 × 296,370.48
  4. Step 4: Simplify right side
    828,881.74x = 368,484,118,720.55
  5. Step 5: Solve for x
    x = 368,484,118,720.55/828,881.74
  6. Step 6: Final answer
    x = 444,555.72

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Double scale
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Similar ratio
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1.5x scale

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.