Home / 589,548.20-883,415.10-439,082.60

Finding the Fourth Proportional to 589,548.20, 883,415.10 and 439,082.60

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Solution

The fourth proportional to 589,548.20, 883,415.10 and 439,082.60 is: 657,948.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    589,548.20 : 883,415.10 = 439,082.60 : x
  2. Step 2: Convert to fraction form
    589,548.20/883,415.10 = 439,082.60/x
  3. Step 3: Cross multiply
    589,548.20x = 883,415.10 × 439,082.60
  4. Step 4: Simplify right side
    589,548.20x = 387,892,198,987.26
  5. Step 5: Solve for x
    x = 387,892,198,987.26/589,548.20
  6. Step 6: Final answer
    x = 657,948.24

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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.