Finding the Fourth Proportional to 528,653.08, 729,538.79 and 286,933.54
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Solution
The fourth proportional to 528,653.08, 729,538.79 and 286,933.54 is: 395,966.94
Step by Step Solution
- Step 1: Write the proportion equation
528,653.08 : 729,538.79 = 286,933.54 : x - Step 2: Convert to fraction form
528,653.08/729,538.79 = 286,933.54/x - Step 3: Cross multiply
528,653.08x = 729,538.79 × 286,933.54 - Step 4: Simplify right side
528,653.08x = 209,329,142,499.66 - Step 5: Solve for x
x = 209,329,142,499.66/528,653.08 - Step 6: Final answer
x = 395,966.94
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.