Home / 772,764.46-1,158,328.58-259,941.40

Finding the Fourth Proportional to 772,764.46, 1,158,328.58 and 259,941.40

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Solution

The fourth proportional to 772,764.46, 1,158,328.58 and 259,941.40 is: 389,636.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,764.46 : 1,158,328.58 = 259,941.40 : x
  2. Step 2: Convert to fraction form
    772,764.46/1,158,328.58 = 259,941.40/x
  3. Step 3: Cross multiply
    772,764.46x = 1,158,328.58 × 259,941.40
  4. Step 4: Simplify right side
    772,764.46x = 301,097,552,745.21
  5. Step 5: Solve for x
    x = 301,097,552,745.21/772,764.46
  6. Step 6: Final answer
    x = 389,636.91

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1.5x scale

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.