Finding the Fourth Proportional to 532,420.69, 734,734.99 and 290,702.52
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Solution
The fourth proportional to 532,420.69, 734,734.99 and 290,702.52 is: 401,166.44
Step by Step Solution
- Step 1: Write the proportion equation
532,420.69 : 734,734.99 = 290,702.52 : x - Step 2: Convert to fraction form
532,420.69/734,734.99 = 290,702.52/x - Step 3: Cross multiply
532,420.69x = 734,734.99 × 290,702.52 - Step 4: Simplify right side
532,420.69x = 213,589,313,125.18 - Step 5: Solve for x
x = 213,589,313,125.18/532,420.69 - Step 6: Final answer
x = 401,166.44
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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.