Finding the Fourth Proportional to 902,875.10, 1,245,940.63 and 494,962.99
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Solution
The fourth proportional to 902,875.10, 1,245,940.63 and 494,962.99 is: 683,034.12
Step by Step Solution
- Step 1: Write the proportion equation
902,875.10 : 1,245,940.63 = 494,962.99 : x - Step 2: Convert to fraction form
902,875.10/1,245,940.63 = 494,962.99/x - Step 3: Cross multiply
902,875.10x = 1,245,940.63 × 494,962.99 - Step 4: Simplify right side
902,875.10x = 616,694,499,587.28 - Step 5: Solve for x
x = 616,694,499,587.28/902,875.10 - Step 6: Final answer
x = 683,034.12
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.