Home / 687,922.08-1,029,213.32-603,043.80

Finding the Fourth Proportional to 687,922.08, 1,029,213.32 and 603,043.80

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Solution

The fourth proportional to 687,922.08, 1,029,213.32 and 603,043.80 is: 902,225.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    687,922.08 : 1,029,213.32 = 603,043.80 : x
  2. Step 2: Convert to fraction form
    687,922.08/1,029,213.32 = 603,043.80/x
  3. Step 3: Cross multiply
    687,922.08x = 1,029,213.32 × 603,043.80
  4. Step 4: Simplify right side
    687,922.08x = 620,660,711,503.42
  5. Step 5: Solve for x
    x = 620,660,711,503.42/687,922.08
  6. Step 6: Final answer
    x = 902,225.31

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.