Home / 646,637.44-892,387.36-360,157.60

Finding the Fourth Proportional to 646,637.44, 892,387.36 and 360,157.60

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Solution

The fourth proportional to 646,637.44, 892,387.36 and 360,157.60 is: 497,032.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    646,637.44 : 892,387.36 = 360,157.60 : x
  2. Step 2: Convert to fraction form
    646,637.44/892,387.36 = 360,157.60/x
  3. Step 3: Cross multiply
    646,637.44x = 892,387.36 × 360,157.60
  4. Step 4: Simplify right side
    646,637.44x = 321,400,089,847.94
  5. Step 5: Solve for x
    x = 321,400,089,847.94/646,637.44
  6. Step 6: Final answer
    x = 497,032.91

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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.