Home / 532,434.32-734,789.12-290,739.32

Finding the Fourth Proportional to 532,434.32, 734,789.12 and 290,739.32

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Solution

The fourth proportional to 532,434.32, 734,789.12 and 290,739.32 is: 401,236.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,434.32 : 734,789.12 = 290,739.32 : x
  2. Step 2: Convert to fraction form
    532,434.32/734,789.12 = 290,739.32/x
  3. Step 3: Cross multiply
    532,434.32x = 734,789.12 × 290,739.32
  4. Step 4: Simplify right side
    532,434.32x = 213,632,089,092.20
  5. Step 5: Solve for x
    x = 213,632,089,092.20/532,434.32
  6. Step 6: Final answer
    x = 401,236.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.