Finding the Fourth Proportional to 852,402.53, 1,176,281.12 and 470,424.35
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Solution
The fourth proportional to 852,402.53, 1,176,281.12 and 470,424.35 is: 649,166.63
Step by Step Solution
- Step 1: Write the proportion equation
852,402.53 : 1,176,281.12 = 470,424.35 : x - Step 2: Convert to fraction form
852,402.53/1,176,281.12 = 470,424.35/x - Step 3: Cross multiply
852,402.53x = 1,176,281.12 × 470,424.35 - Step 4: Simplify right side
852,402.53x = 553,351,278,941.15 - Step 5: Solve for x
x = 553,351,278,941.15/852,402.53 - Step 6: Final answer
x = 649,166.63
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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.