Finding the Fourth Proportional to 608,734.20, 913,101.30 and 579,703.80
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Solution
The fourth proportional to 608,734.20, 913,101.30 and 579,703.80 is: 869,555.70
Step by Step Solution
- Step 1: Write the proportion equation
608,734.20 : 913,101.30 = 579,703.80 : x - Step 2: Convert to fraction form
608,734.20/913,101.30 = 579,703.80/x - Step 3: Cross multiply
608,734.20x = 913,101.30 × 579,703.80 - Step 4: Simplify right side
608,734.20x = 529,328,293,394.94 - Step 5: Solve for x
x = 529,328,293,394.94/608,734.20 - Step 6: Final answer
x = 869,555.70
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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.