Finding the Fourth Proportional to 970,432.44, 1,339,178.94 and 540,703.32
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Solution
The fourth proportional to 970,432.44, 1,339,178.94 and 540,703.32 is: 746,160.65
Step by Step Solution
- Step 1: Write the proportion equation
970,432.44 : 1,339,178.94 = 540,703.32 : x - Step 2: Convert to fraction form
970,432.44/1,339,178.94 = 540,703.32/x - Step 3: Cross multiply
970,432.44x = 1,339,178.94 × 540,703.32 - Step 4: Simplify right side
970,432.44x = 724,098,498,932.08 - Step 5: Solve for x
x = 724,098,498,932.08/970,432.44 - Step 6: Final answer
x = 746,160.65
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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.