Finding the Fourth Proportional to 778,400.08, 1,167,513.24 and 209,837.79
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Solution
The fourth proportional to 778,400.08, 1,167,513.24 and 209,837.79 is: 314,733.27
Step by Step Solution
- Step 1: Write the proportion equation
778,400.08 : 1,167,513.24 = 209,837.79 : x - Step 2: Convert to fraction form
778,400.08/1,167,513.24 = 209,837.79/x - Step 3: Cross multiply
778,400.08x = 1,167,513.24 × 209,837.79 - Step 4: Simplify right side
778,400.08x = 244,988,398,864.23 - Step 5: Solve for x
x = 244,988,398,864.23/778,400.08 - Step 6: Final answer
x = 314,733.27
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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.