Finding the Fourth Proportional to 705,369.39, 973,415.48 and 383,081.80
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Solution
The fourth proportional to 705,369.39, 973,415.48 and 383,081.80 is: 528,655.99
Step by Step Solution
- Step 1: Write the proportion equation
705,369.39 : 973,415.48 = 383,081.80 : x - Step 2: Convert to fraction form
705,369.39/973,415.48 = 383,081.80/x - Step 3: Cross multiply
705,369.39x = 973,415.48 × 383,081.80 - Step 4: Simplify right side
705,369.39x = 372,897,754,226.26 - Step 5: Solve for x
x = 372,897,754,226.26/705,369.39 - Step 6: Final answer
x = 528,655.99
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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.