Finding the Fourth Proportional to 734,545.26, 1,012,994.71 and 489,670.52
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Solution
The fourth proportional to 734,545.26, 1,012,994.71 and 489,670.52 is: 675,293.50
Step by Step Solution
- Step 1: Write the proportion equation
734,545.26 : 1,012,994.71 = 489,670.52 : x - Step 2: Convert to fraction form
734,545.26/1,012,994.71 = 489,670.52/x - Step 3: Cross multiply
734,545.26x = 1,012,994.71 × 489,670.52 - Step 4: Simplify right side
734,545.26x = 496,033,640,113.80 - Step 5: Solve for x
x = 496,033,640,113.80/734,545.26 - Step 6: Final answer
x = 675,293.50
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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.