Finding the Fourth Proportional to 700,702.99, 966,970.06 and 378,413.05
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Solution
The fourth proportional to 700,702.99, 966,970.06 and 378,413.05 is: 522,209.97
Step by Step Solution
- Step 1: Write the proportion equation
700,702.99 : 966,970.06 = 378,413.05 : x - Step 2: Convert to fraction form
700,702.99/966,970.06 = 378,413.05/x - Step 3: Cross multiply
700,702.99x = 966,970.06 × 378,413.05 - Step 4: Simplify right side
700,702.99x = 365,914,089,663.28 - Step 5: Solve for x
x = 365,914,089,663.28/700,702.99 - Step 6: Final answer
x = 522,209.97
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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.