Finding the Fourth Proportional to 853,107.29, 1,176,747.42 and 648,710.10
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Solution
The fourth proportional to 853,107.29, 1,176,747.42 and 648,710.10 is: 894,808.83
Step by Step Solution
- Step 1: Write the proportion equation
853,107.29 : 1,176,747.42 = 648,710.10 : x - Step 2: Convert to fraction form
853,107.29/1,176,747.42 = 648,710.10/x - Step 3: Cross multiply
853,107.29x = 1,176,747.42 × 648,710.10 - Step 4: Simplify right side
853,107.29x = 763,367,937,111.11 - Step 5: Solve for x
x = 763,367,937,111.11/853,107.29 - Step 6: Final answer
x = 894,808.83
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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.