Home / 979,512.73-1,351,653.45-549,709.82

Finding the Fourth Proportional to 979,512.73, 1,351,653.45 and 549,709.82

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Solution

The fourth proportional to 979,512.73, 1,351,653.45 and 549,709.82 is: 758,557.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,512.73 : 1,351,653.45 = 549,709.82 : x
  2. Step 2: Convert to fraction form
    979,512.73/1,351,653.45 = 549,709.82/x
  3. Step 3: Cross multiply
    979,512.73x = 1,351,653.45 × 549,709.82
  4. Step 4: Simplify right side
    979,512.73x = 743,017,170,950.90
  5. Step 5: Solve for x
    x = 743,017,170,950.90/979,512.73
  6. Step 6: Final answer
    x = 758,557.95

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1.5x scale

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.