Finding the Fourth Proportional to 1,125,400.32, 1,688,266.56 and 326,578.08
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Solution
The fourth proportional to 1,125,400.32, 1,688,266.56 and 326,578.08 is: 489,915.31
Step by Step Solution
- Step 1: Write the proportion equation
1,125,400.32 : 1,688,266.56 = 326,578.08 : x - Step 2: Convert to fraction form
1,125,400.32/1,688,266.56 = 326,578.08/x - Step 3: Cross multiply
1,125,400.32x = 1,688,266.56 × 326,578.08 - Step 4: Simplify right side
1,125,400.32x = 551,350,851,693.01 - Step 5: Solve for x
x = 551,350,851,693.01/1,125,400.32 - Step 6: Final answer
x = 489,915.31
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.