Home / 845,181.56-1,267,208.96-439,376.42

Finding the Fourth Proportional to 845,181.56, 1,267,208.96 and 439,376.42

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Solution

The fourth proportional to 845,181.56, 1,267,208.96 and 439,376.42 is: 658,771.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,181.56 : 1,267,208.96 = 439,376.42 : x
  2. Step 2: Convert to fraction form
    845,181.56/1,267,208.96 = 439,376.42/x
  3. Step 3: Cross multiply
    845,181.56x = 1,267,208.96 × 439,376.42
  4. Step 4: Simplify right side
    845,181.56x = 556,781,730,079.81
  5. Step 5: Solve for x
    x = 556,781,730,079.81/845,181.56
  6. Step 6: Final answer
    x = 658,771.75

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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.