Finding the Fourth Proportional to 651,240.16, 898,720.40 and 424,755.68
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Solution
The fourth proportional to 651,240.16, 898,720.40 and 424,755.68 is: 586,168.69
Step by Step Solution
- Step 1: Write the proportion equation
651,240.16 : 898,720.40 = 424,755.68 : x - Step 2: Convert to fraction form
651,240.16/898,720.40 = 424,755.68/x - Step 3: Cross multiply
651,240.16x = 898,720.40 × 424,755.68 - Step 4: Simplify right side
651,240.16x = 381,736,594,631.87 - Step 5: Solve for x
x = 381,736,594,631.87/651,240.16 - Step 6: Final answer
x = 586,168.69
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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.