Finding the Fourth Proportional to 459,555.24, 688,612.54 and 290,718.91
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Solution
The fourth proportional to 459,555.24, 688,612.54 and 290,718.91 is: 435,622.68
Step by Step Solution
- Step 1: Write the proportion equation
459,555.24 : 688,612.54 = 290,718.91 : x - Step 2: Convert to fraction form
459,555.24/688,612.54 = 290,718.91/x - Step 3: Cross multiply
459,555.24x = 688,612.54 × 290,718.91 - Step 4: Simplify right side
459,555.24x = 200,192,687,041.13 - Step 5: Solve for x
x = 200,192,687,041.13/459,555.24 - Step 6: Final answer
x = 435,622.68
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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.