Home / 703,544.41-1,056,728.67-419,788.60

Finding the Fourth Proportional to 703,544.41, 1,056,728.67 and 419,788.60

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Solution

The fourth proportional to 703,544.41, 1,056,728.67 and 419,788.60 is: 630,525.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,544.41 : 1,056,728.67 = 419,788.60 : x
  2. Step 2: Convert to fraction form
    703,544.41/1,056,728.67 = 419,788.60/x
  3. Step 3: Cross multiply
    703,544.41x = 1,056,728.67 × 419,788.60
  4. Step 4: Simplify right side
    703,544.41x = 443,602,648,959.16
  5. Step 5: Solve for x
    x = 443,602,648,959.16/703,544.41
  6. Step 6: Final answer
    x = 630,525.44

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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.