Finding the Fourth Proportional to 713,963.08, 1,071,044.79 and 208,561.15
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Solution
The fourth proportional to 713,963.08, 1,071,044.79 and 208,561.15 is: 312,870.99
Step by Step Solution
- Step 1: Write the proportion equation
713,963.08 : 1,071,044.79 = 208,561.15 : x - Step 2: Convert to fraction form
713,963.08/1,071,044.79 = 208,561.15/x - Step 3: Cross multiply
713,963.08x = 1,071,044.79 × 208,561.15 - Step 4: Simplify right side
713,963.08x = 223,378,333,103.91 - Step 5: Solve for x
x = 223,378,333,103.91/713,963.08 - Step 6: Final answer
x = 312,870.99
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.