Finding the Fourth Proportional to 944,914.23, 1,303,987.86 and 515,201.49
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Solution
The fourth proportional to 944,914.23, 1,303,987.86 and 515,201.49 is: 710,981.45
Step by Step Solution
- Step 1: Write the proportion equation
944,914.23 : 1,303,987.86 = 515,201.49 : x - Step 2: Convert to fraction form
944,914.23/1,303,987.86 = 515,201.49/x - Step 3: Cross multiply
944,914.23x = 1,303,987.86 × 515,201.49 - Step 4: Simplify right side
944,914.23x = 671,816,488,413.91 - Step 5: Solve for x
x = 671,816,488,413.91/944,914.23 - Step 6: Final answer
x = 710,981.45
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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.