Finding the Fourth Proportional to 887,067.39, 1,331,547.98 and 381,878.49
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Solution
The fourth proportional to 887,067.39, 1,331,547.98 and 381,878.49 is: 573,225.37
Step by Step Solution
- Step 1: Write the proportion equation
887,067.39 : 1,331,547.98 = 381,878.49 : x - Step 2: Convert to fraction form
887,067.39/1,331,547.98 = 381,878.49/x - Step 3: Cross multiply
887,067.39x = 1,331,547.98 × 381,878.49 - Step 4: Simplify right side
887,067.39x = 508,489,530,055.56 - Step 5: Solve for x
x = 508,489,530,055.56/887,067.39 - Step 6: Final answer
x = 573,225.37
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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.