Home / 532,611.86-734,992.99-290,895.39

Finding the Fourth Proportional to 532,611.86, 734,992.99 and 290,895.39

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Solution

The fourth proportional to 532,611.86, 734,992.99 and 290,895.39 is: 401,429.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,611.86 : 734,992.99 = 290,895.39 : x
  2. Step 2: Convert to fraction form
    532,611.86/734,992.99 = 290,895.39/x
  3. Step 3: Cross multiply
    532,611.86x = 734,992.99 × 290,895.39
  4. Step 4: Simplify right side
    532,611.86x = 213,806,071,746.08
  5. Step 5: Solve for x
    x = 213,806,071,746.08/532,611.86
  6. Step 6: Final answer
    x = 401,429.43

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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.