Finding the Fourth Proportional to 773,415.15, 1,067,296.85 and 429,231.09
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Solution
The fourth proportional to 773,415.15, 1,067,296.85 and 429,231.09 is: 592,329.99
Step by Step Solution
- Step 1: Write the proportion equation
773,415.15 : 1,067,296.85 = 429,231.09 : x - Step 2: Convert to fraction form
773,415.15/1,067,296.85 = 429,231.09/x - Step 3: Cross multiply
773,415.15x = 1,067,296.85 × 429,231.09 - Step 4: Simplify right side
773,415.15x = 458,116,988,132.91 - Step 5: Solve for x
x = 458,116,988,132.91/773,415.15 - Step 6: Final answer
x = 592,329.99
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.