Finding the Fourth Proportional to 528,600.69, 729,468.65 and 299,153.81
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Solution
The fourth proportional to 528,600.69, 729,468.65 and 299,153.81 is: 412,832.09
Step by Step Solution
- Step 1: Write the proportion equation
528,600.69 : 729,468.65 = 299,153.81 : x - Step 2: Convert to fraction form
528,600.69/729,468.65 = 299,153.81/x - Step 3: Cross multiply
528,600.69x = 729,468.65 × 299,153.81 - Step 4: Simplify right side
528,600.69x = 218,223,328,494.61 - Step 5: Solve for x
x = 218,223,328,494.61/528,600.69 - Step 6: Final answer
x = 412,832.09
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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.