Home / 836,352.29-1,154,143.69-492,208.47

Finding the Fourth Proportional to 836,352.29, 1,154,143.69 and 492,208.47

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Solution

The fourth proportional to 836,352.29, 1,154,143.69 and 492,208.47 is: 679,234.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,352.29 : 1,154,143.69 = 492,208.47 : x
  2. Step 2: Convert to fraction form
    836,352.29/1,154,143.69 = 492,208.47/x
  3. Step 3: Cross multiply
    836,352.29x = 1,154,143.69 × 492,208.47
  4. Step 4: Simplify right side
    836,352.29x = 568,079,299,815.05
  5. Step 5: Solve for x
    x = 568,079,299,815.05/836,352.29
  6. Step 6: Final answer
    x = 679,234.46

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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.