Home / 835,388.40-1,253,244.20-336,802.80

Finding the Fourth Proportional to 835,388.40, 1,253,244.20 and 336,802.80

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Solution

The fourth proportional to 835,388.40, 1,253,244.20 and 336,802.80 is: 505,269.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    835,388.40 : 1,253,244.20 = 336,802.80 : x
  2. Step 2: Convert to fraction form
    835,388.40/1,253,244.20 = 336,802.80/x
  3. Step 3: Cross multiply
    835,388.40x = 1,253,244.20 × 336,802.80
  4. Step 4: Simplify right side
    835,388.40x = 422,096,155,643.76
  5. Step 5: Solve for x
    x = 422,096,155,643.76/835,388.40
  6. Step 6: Final answer
    x = 505,269.35

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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.