Finding the Fourth Proportional to 779,044.14, 1,167,860.97 and 305,602.38
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Solution
The fourth proportional to 779,044.14, 1,167,860.97 and 305,602.38 is: 458,126.92
Step by Step Solution
- Step 1: Write the proportion equation
779,044.14 : 1,167,860.97 = 305,602.38 : x - Step 2: Convert to fraction form
779,044.14/1,167,860.97 = 305,602.38/x - Step 3: Cross multiply
779,044.14x = 1,167,860.97 × 305,602.38 - Step 4: Simplify right side
779,044.14x = 356,901,091,941.11 - Step 5: Solve for x
x = 356,901,091,941.11/779,044.14 - Step 6: Final answer
x = 458,126.92
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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.