Home / 979,747.90-1,351,958.79-549,929.50

Finding the Fourth Proportional to 979,747.90, 1,351,958.79 and 549,929.50

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Solution

The fourth proportional to 979,747.90, 1,351,958.79 and 549,929.50 is: 758,850.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,747.90 : 1,351,958.79 = 549,929.50 : x
  2. Step 2: Convert to fraction form
    979,747.90/1,351,958.79 = 549,929.50/x
  3. Step 3: Cross multiply
    979,747.90x = 1,351,958.79 × 549,929.50
  4. Step 4: Simplify right side
    979,747.90x = 743,482,021,405.31
  5. Step 5: Solve for x
    x = 743,482,021,405.31/979,747.90
  6. Step 6: Final answer
    x = 758,850.33

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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.