Finding the Fourth Proportional to 528,770.30, 729,703.91 and 302,415.80
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Solution
The fourth proportional to 528,770.30, 729,703.91 and 302,415.80 is: 417,334.32
Step by Step Solution
- Step 1: Write the proportion equation
528,770.30 : 729,703.91 = 302,415.80 : x - Step 2: Convert to fraction form
528,770.30/729,703.91 = 302,415.80/x - Step 3: Cross multiply
528,770.30x = 729,703.91 × 302,415.80 - Step 4: Simplify right side
528,770.30x = 220,673,991,705.78 - Step 5: Solve for x
x = 220,673,991,705.78/528,770.30 - Step 6: Final answer
x = 417,334.32
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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.