Home / 979,698.85-1,351,909.77-549,895.94

Finding the Fourth Proportional to 979,698.85, 1,351,909.77 and 549,895.94

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Solution

The fourth proportional to 979,698.85, 1,351,909.77 and 549,895.94 is: 758,814.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,698.85 : 1,351,909.77 = 549,895.94 : x
  2. Step 2: Convert to fraction form
    979,698.85/1,351,909.77 = 549,895.94/x
  3. Step 3: Cross multiply
    979,698.85x = 1,351,909.77 × 549,895.94
  4. Step 4: Simplify right side
    979,698.85x = 743,409,691,563.92
  5. Step 5: Solve for x
    x = 743,409,691,563.92/979,698.85
  6. Step 6: Final answer
    x = 758,814.50

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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.