Home / 851,360.22-1,277,040.33-290,399.58

Finding the Fourth Proportional to 851,360.22, 1,277,040.33 and 290,399.58

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Solution

The fourth proportional to 851,360.22, 1,277,040.33 and 290,399.58 is: 435,599.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,360.22 : 1,277,040.33 = 290,399.58 : x
  2. Step 2: Convert to fraction form
    851,360.22/1,277,040.33 = 290,399.58/x
  3. Step 3: Cross multiply
    851,360.22x = 1,277,040.33 × 290,399.58
  4. Step 4: Simplify right side
    851,360.22x = 370,851,975,475.06
  5. Step 5: Solve for x
    x = 370,851,975,475.06/851,360.22
  6. Step 6: Final answer
    x = 435,599.37

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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.