Finding the Fourth Proportional to 532,436.84, 734,792.55 and 290,741.84
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Solution
The fourth proportional to 532,436.84, 734,792.55 and 290,741.84 is: 401,239.96
Step by Step Solution
- Step 1: Write the proportion equation
532,436.84 : 734,792.55 = 290,741.84 : x - Step 2: Convert to fraction form
532,436.84/734,792.55 = 290,741.84/x - Step 3: Cross multiply
532,436.84x = 734,792.55 × 290,741.84 - Step 4: Simplify right side
532,436.84x = 213,634,938,005.29 - Step 5: Solve for x
x = 213,634,938,005.29/532,436.84 - Step 6: Final answer
x = 401,239.96
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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.