Home / 768,354.51-1,152,330.94-228,465.39

Finding the Fourth Proportional to 768,354.51, 1,152,330.94 and 228,465.39

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Solution

The fourth proportional to 768,354.51, 1,152,330.94 and 228,465.39 is: 342,638.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,354.51 : 1,152,330.94 = 228,465.39 : x
  2. Step 2: Convert to fraction form
    768,354.51/1,152,330.94 = 228,465.39/x
  3. Step 3: Cross multiply
    768,354.51x = 1,152,330.94 × 228,465.39
  4. Step 4: Simplify right side
    768,354.51x = 263,267,737,045.00
  5. Step 5: Solve for x
    x = 263,267,737,045.00/768,354.51
  6. Step 6: Final answer
    x = 342,638.37

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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.