Home / 758,806.88-1,138,333.86-354,403.50

Finding the Fourth Proportional to 758,806.88, 1,138,333.86 and 354,403.50

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Solution

The fourth proportional to 758,806.88, 1,138,333.86 and 354,403.50 is: 531,662.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,806.88 : 1,138,333.86 = 354,403.50 : x
  2. Step 2: Convert to fraction form
    758,806.88/1,138,333.86 = 354,403.50/x
  3. Step 3: Cross multiply
    758,806.88x = 1,138,333.86 × 354,403.50
  4. Step 4: Simplify right side
    758,806.88x = 403,429,504,152.51
  5. Step 5: Solve for x
    x = 403,429,504,152.51/758,806.88
  6. Step 6: Final answer
    x = 531,662.95

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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.