Home / 772,754.60-1,158,313.79-259,931.54

Finding the Fourth Proportional to 772,754.60, 1,158,313.79 and 259,931.54

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Solution

The fourth proportional to 772,754.60, 1,158,313.79 and 259,931.54 is: 389,622.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,754.60 : 1,158,313.79 = 259,931.54 : x
  2. Step 2: Convert to fraction form
    772,754.60/1,158,313.79 = 259,931.54/x
  3. Step 3: Cross multiply
    772,754.60x = 1,158,313.79 × 259,931.54
  4. Step 4: Simplify right side
    772,754.60x = 301,082,280,146.71
  5. Step 5: Solve for x
    x = 301,082,280,146.71/772,754.60
  6. Step 6: Final answer
    x = 389,622.12

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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.