Finding the Fourth Proportional to 716,088.86, 1,074,133.29 and 340,974.62
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Solution
The fourth proportional to 716,088.86, 1,074,133.29 and 340,974.62 is: 511,461.93
Step by Step Solution
- Step 1: Write the proportion equation
716,088.86 : 1,074,133.29 = 340,974.62 : x - Step 2: Convert to fraction form
716,088.86/1,074,133.29 = 340,974.62/x - Step 3: Cross multiply
716,088.86x = 1,074,133.29 × 340,974.62 - Step 4: Simplify right side
716,088.86x = 366,252,190,387.10 - Step 5: Solve for x
x = 366,252,190,387.10/716,088.86 - Step 6: Final answer
x = 511,461.93
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.