Home / 690,893.60-1,036,651.43-374,876.96

Finding the Fourth Proportional to 690,893.60, 1,036,651.43 and 374,876.96

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Solution

The fourth proportional to 690,893.60, 1,036,651.43 and 374,876.96 is: 562,484.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,893.60 : 1,036,651.43 = 374,876.96 : x
  2. Step 2: Convert to fraction form
    690,893.60/1,036,651.43 = 374,876.96/x
  3. Step 3: Cross multiply
    690,893.60x = 1,036,651.43 × 374,876.96
  4. Step 4: Simplify right side
    690,893.60x = 388,616,736,658.05
  5. Step 5: Solve for x
    x = 388,616,736,658.05/690,893.60
  6. Step 6: Final answer
    x = 562,484.20

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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.