Home / 851,194.04-1,276,989.78-290,229.08

Finding the Fourth Proportional to 851,194.04, 1,276,989.78 and 290,229.08

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Solution

The fourth proportional to 851,194.04, 1,276,989.78 and 290,229.08 is: 435,411.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,194.04 : 1,276,989.78 = 290,229.08 : x
  2. Step 2: Convert to fraction form
    851,194.04/1,276,989.78 = 290,229.08/x
  3. Step 3: Cross multiply
    851,194.04x = 1,276,989.78 × 290,229.08
  4. Step 4: Simplify right side
    851,194.04x = 370,619,569,018.80
  5. Step 5: Solve for x
    x = 370,619,569,018.80/851,194.04
  6. Step 6: Final answer
    x = 435,411.38

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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.