Finding the Fourth Proportional to 870,758.47, 1,306,152.74 and 302,159.42
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Solution
The fourth proportional to 870,758.47, 1,306,152.74 and 302,159.42 is: 453,244.35
Step by Step Solution
- Step 1: Write the proportion equation
870,758.47 : 1,306,152.74 = 302,159.42 : x - Step 2: Convert to fraction form
870,758.47/1,306,152.74 = 302,159.42/x - Step 3: Cross multiply
870,758.47x = 1,306,152.74 × 302,159.42 - Step 4: Simplify right side
870,758.47x = 394,666,354,349.81 - Step 5: Solve for x
x = 394,666,354,349.81/870,758.47 - Step 6: Final answer
x = 453,244.35
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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.