Home / 857,328.16-1,285,992.24-296,056.48

Finding the Fourth Proportional to 857,328.16, 1,285,992.24 and 296,056.48

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Solution

The fourth proportional to 857,328.16, 1,285,992.24 and 296,056.48 is: 444,084.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,328.16 : 1,285,992.24 = 296,056.48 : x
  2. Step 2: Convert to fraction form
    857,328.16/1,285,992.24 = 296,056.48/x
  3. Step 3: Cross multiply
    857,328.16x = 1,285,992.24 × 296,056.48
  4. Step 4: Simplify right side
    857,328.16x = 380,726,335,881.72
  5. Step 5: Solve for x
    x = 380,726,335,881.72/857,328.16
  6. Step 6: Final answer
    x = 444,084.72

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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.