Finding the Fourth Proportional to 486,430.56, 724,753.35 and 459,268.02
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Solution
The fourth proportional to 486,430.56, 724,753.35 and 459,268.02 is: 684,282.74
Step by Step Solution
- Step 1: Write the proportion equation
486,430.56 : 724,753.35 = 459,268.02 : x - Step 2: Convert to fraction form
486,430.56/724,753.35 = 459,268.02/x - Step 3: Cross multiply
486,430.56x = 724,753.35 × 459,268.02 - Step 4: Simplify right side
486,430.56x = 332,856,036,042.87 - Step 5: Solve for x
x = 332,856,036,042.87/486,430.56 - Step 6: Final answer
x = 684,282.74
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.