Home / 936,969.60-1,405,550.40-305,930.88

Finding the Fourth Proportional to 936,969.60, 1,405,550.40 and 305,930.88

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Solution

The fourth proportional to 936,969.60, 1,405,550.40 and 305,930.88 is: 458,927.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,969.60 : 1,405,550.40 = 305,930.88 : x
  2. Step 2: Convert to fraction form
    936,969.60/1,405,550.40 = 305,930.88/x
  3. Step 3: Cross multiply
    936,969.60x = 1,405,550.40 × 305,930.88
  4. Step 4: Simplify right side
    936,969.60x = 430,001,270,756.35
  5. Step 5: Solve for x
    x = 430,001,270,756.35/936,969.60
  6. Step 6: Final answer
    x = 458,927.67

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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.