Finding the Fourth Proportional to 614,356.38, 847,709.10 and 342,364.68
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Solution
The fourth proportional to 614,356.38, 847,709.10 and 342,364.68 is: 472,406.02
Step by Step Solution
- Step 1: Write the proportion equation
614,356.38 : 847,709.10 = 342,364.68 : x - Step 2: Convert to fraction form
614,356.38/847,709.10 = 342,364.68/x - Step 3: Cross multiply
614,356.38x = 847,709.10 × 342,364.68 - Step 4: Simplify right side
614,356.38x = 290,225,654,754.59 - Step 5: Solve for x
x = 290,225,654,754.59/614,356.38 - Step 6: Final answer
x = 472,406.02
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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.