Home / 683,412.40-1,025,118.60-347,489.20

Finding the Fourth Proportional to 683,412.40, 1,025,118.60 and 347,489.20

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Solution

The fourth proportional to 683,412.40, 1,025,118.60 and 347,489.20 is: 521,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,412.40 : 1,025,118.60 = 347,489.20 : x
  2. Step 2: Convert to fraction form
    683,412.40/1,025,118.60 = 347,489.20/x
  3. Step 3: Cross multiply
    683,412.40x = 1,025,118.60 × 347,489.20
  4. Step 4: Simplify right side
    683,412.40x = 356,217,642,219.12
  5. Step 5: Solve for x
    x = 356,217,642,219.12/683,412.40
  6. Step 6: Final answer
    x = 521,233.80

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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.