Finding the Fourth Proportional to 870,756.47, 1,306,149.74 and 302,157.42
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Solution
The fourth proportional to 870,756.47, 1,306,149.74 and 302,157.42 is: 453,241.35
Step by Step Solution
- Step 1: Write the proportion equation
870,756.47 : 1,306,149.74 = 302,157.42 : x - Step 2: Convert to fraction form
870,756.47/1,306,149.74 = 302,157.42/x - Step 3: Cross multiply
870,756.47x = 1,306,149.74 × 302,157.42 - Step 4: Simplify right side
870,756.47x = 394,662,834,061.28 - Step 5: Solve for x
x = 394,662,834,061.28/870,756.47 - Step 6: Final answer
x = 453,241.35
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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.