Finding the Fourth Proportional to 902,678.99, 1,345,948.29 and 877,878.41
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Solution
The fourth proportional to 902,678.99, 1,345,948.29 and 877,878.41 is: 1,308,969.14
Step by Step Solution
- Step 1: Write the proportion equation
902,678.99 : 1,345,948.29 = 877,878.41 : x - Step 2: Convert to fraction form
902,678.99/1,345,948.29 = 877,878.41/x - Step 3: Cross multiply
902,678.99x = 1,345,948.29 × 877,878.41 - Step 4: Simplify right side
902,678.99x = 1,181,578,938,037.68 - Step 5: Solve for x
x = 1,181,578,938,037.68/902,678.99 - Step 6: Final answer
x = 1,308,969.14
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.