Finding the Fourth Proportional to 877,665.02, 1,316,543.11 and 278,673.08
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Solution
The fourth proportional to 877,665.02, 1,316,543.11 and 278,673.08 is: 418,024.09
Step by Step Solution
- Step 1: Write the proportion equation
877,665.02 : 1,316,543.11 = 278,673.08 : x - Step 2: Convert to fraction form
877,665.02/1,316,543.11 = 278,673.08/x - Step 3: Cross multiply
877,665.02x = 1,316,543.11 × 278,673.08 - Step 4: Simplify right side
877,665.02x = 366,885,116,137.08 - Step 5: Solve for x
x = 366,885,116,137.08/877,665.02 - Step 6: Final answer
x = 418,024.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.