Home / 454,586.50-683,374.60-421,703.54

Finding the Fourth Proportional to 454,586.50, 683,374.60 and 421,703.54

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Solution

The fourth proportional to 454,586.50, 683,374.60 and 421,703.54 is: 633,942.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    454,586.50 : 683,374.60 = 421,703.54 : x
  2. Step 2: Convert to fraction form
    454,586.50/683,374.60 = 421,703.54/x
  3. Step 3: Cross multiply
    454,586.50x = 683,374.60 × 421,703.54
  4. Step 4: Simplify right side
    454,586.50x = 288,181,487,966.08
  5. Step 5: Solve for x
    x = 288,181,487,966.08/454,586.50
  6. Step 6: Final answer
    x = 633,942.03

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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.