Home / 789,807.16-1,089,587.66-462,954.48

Finding the Fourth Proportional to 789,807.16, 1,089,587.66 and 462,954.48

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Solution

The fourth proportional to 789,807.16, 1,089,587.66 and 462,954.48 is: 638,674.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,807.16 : 1,089,587.66 = 462,954.48 : x
  2. Step 2: Convert to fraction form
    789,807.16/1,089,587.66 = 462,954.48/x
  3. Step 3: Cross multiply
    789,807.16x = 1,089,587.66 × 462,954.48
  4. Step 4: Simplify right side
    789,807.16x = 504,429,488,549.72
  5. Step 5: Solve for x
    x = 504,429,488,549.72/789,807.16
  6. Step 6: Final answer
    x = 638,674.24

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.