Finding the Fourth Proportional to 840,948.96, 1,160,332.24 and 534,914.08
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Solution
The fourth proportional to 840,948.96, 1,160,332.24 and 534,914.08 is: 738,068.64
Step by Step Solution
- Step 1: Write the proportion equation
840,948.96 : 1,160,332.24 = 534,914.08 : x - Step 2: Convert to fraction form
840,948.96/1,160,332.24 = 534,914.08/x - Step 3: Cross multiply
840,948.96x = 1,160,332.24 × 534,914.08 - Step 4: Simplify right side
840,948.96x = 620,678,052,653.94 - Step 5: Solve for x
x = 620,678,052,653.94/840,948.96 - Step 6: Final answer
x = 738,068.64
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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.