Home / 483,943.08-724,215.60-397,548.38

Finding the Fourth Proportional to 483,943.08, 724,215.60 and 397,548.38

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Solution

The fourth proportional to 483,943.08, 724,215.60 and 397,548.38 is: 594,926.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    483,943.08 : 724,215.60 = 397,548.38 : x
  2. Step 2: Convert to fraction form
    483,943.08/724,215.60 = 397,548.38/x
  3. Step 3: Cross multiply
    483,943.08x = 724,215.60 × 397,548.38
  4. Step 4: Simplify right side
    483,943.08x = 287,910,740,361.27
  5. Step 5: Solve for x
    x = 287,910,740,361.27/483,943.08
  6. Step 6: Final answer
    x = 594,926.86

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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.