Home / 772,944.74-1,158,873.83-340,456.94

Finding the Fourth Proportional to 772,944.74, 1,158,873.83 and 340,456.94

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Solution

The fourth proportional to 772,944.74, 1,158,873.83 and 340,456.94 is: 510,446.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,944.74 : 1,158,873.83 = 340,456.94 : x
  2. Step 2: Convert to fraction form
    772,944.74/1,158,873.83 = 340,456.94/x
  3. Step 3: Cross multiply
    772,944.74x = 1,158,873.83 × 340,456.94
  4. Step 4: Simplify right side
    772,944.74x = 394,546,636,305.60
  5. Step 5: Solve for x
    x = 394,546,636,305.60/772,944.74
  6. Step 6: Final answer
    x = 510,446.11

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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.