Finding the Fourth Proportional to 803,791.08, 1,108,727.10 and 476,872.68
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Solution
The fourth proportional to 803,791.08, 1,108,727.10 and 476,872.68 is: 657,784.94
Step by Step Solution
- Step 1: Write the proportion equation
803,791.08 : 1,108,727.10 = 476,872.68 : x - Step 2: Convert to fraction form
803,791.08/1,108,727.10 = 476,872.68/x - Step 3: Cross multiply
803,791.08x = 1,108,727.10 × 476,872.68 - Step 4: Simplify right side
803,791.08x = 528,721,663,565.63 - Step 5: Solve for x
x = 528,721,663,565.63/803,791.08 - Step 6: Final answer
x = 657,784.94
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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.