Home / 532,433.58-734,788.09-290,738.58

Finding the Fourth Proportional to 532,433.58, 734,788.09 and 290,738.58

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Solution

The fourth proportional to 532,433.58, 734,788.09 and 290,738.58 is: 401,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,433.58 : 734,788.09 = 290,738.58 : x
  2. Step 2: Convert to fraction form
    532,433.58/734,788.09 = 290,738.58/x
  3. Step 3: Cross multiply
    532,433.58x = 734,788.09 × 290,738.58
  4. Step 4: Simplify right side
    532,433.58x = 213,631,245,887.51
  5. Step 5: Solve for x
    x = 213,631,245,887.51/532,433.58
  6. Step 6: Final answer
    x = 401,235.49

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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.