Home / 939,301.60-1,409,151.12-308,162.56

Finding the Fourth Proportional to 939,301.60, 1,409,151.12 and 308,162.56

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Solution

The fourth proportional to 939,301.60, 1,409,151.12 and 308,162.56 is: 462,309.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,301.60 : 1,409,151.12 = 308,162.56 : x
  2. Step 2: Convert to fraction form
    939,301.60/1,409,151.12 = 308,162.56/x
  3. Step 3: Cross multiply
    939,301.60x = 1,409,151.12 × 308,162.56
  4. Step 4: Simplify right side
    939,301.60x = 434,247,616,566.07
  5. Step 5: Solve for x
    x = 434,247,616,566.07/939,301.60
  6. Step 6: Final answer
    x = 462,309.04

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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.