Home / 724,704.06-1,000,238.42-418,793.29

Finding the Fourth Proportional to 724,704.06, 1,000,238.42 and 418,793.29

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Solution

The fourth proportional to 724,704.06, 1,000,238.42 and 418,793.29 is: 578,019.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,704.06 : 1,000,238.42 = 418,793.29 : x
  2. Step 2: Convert to fraction form
    724,704.06/1,000,238.42 = 418,793.29/x
  3. Step 3: Cross multiply
    724,704.06x = 1,000,238.42 × 418,793.29
  4. Step 4: Simplify right side
    724,704.06x = 418,893,137,242.59
  5. Step 5: Solve for x
    x = 418,893,137,242.59/724,704.06
  6. Step 6: Final answer
    x = 578,019.58

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.