Finding the Fourth Proportional to 559,636.87, 772,276.35 and 304,982.59
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Solution
The fourth proportional to 559,636.87, 772,276.35 and 304,982.59 is: 420,863.70
Step by Step Solution
- Step 1: Write the proportion equation
559,636.87 : 772,276.35 = 304,982.59 : x - Step 2: Convert to fraction form
559,636.87/772,276.35 = 304,982.59/x - Step 3: Cross multiply
559,636.87x = 772,276.35 × 304,982.59 - Step 4: Simplify right side
559,636.87x = 235,530,841,418.75 - Step 5: Solve for x
x = 235,530,841,418.75/559,636.87 - Step 6: Final answer
x = 420,863.70
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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.