Finding the Fourth Proportional to 853,603.68, 1,281,037.02 and 404,326.91
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Solution
The fourth proportional to 853,603.68, 1,281,037.02 and 404,326.91 is: 606,789.48
Step by Step Solution
- Step 1: Write the proportion equation
853,603.68 : 1,281,037.02 = 404,326.91 : x - Step 2: Convert to fraction form
853,603.68/1,281,037.02 = 404,326.91/x - Step 3: Cross multiply
853,603.68x = 1,281,037.02 × 404,326.91 - Step 4: Simplify right side
853,603.68x = 517,957,731,465.39 - Step 5: Solve for x
x = 517,957,731,465.39/853,603.68 - Step 6: Final answer
x = 606,789.48
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1.5x scale
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.