Finding the Fourth Proportional to 660,792.16, 911,863.84 and 374,306.48
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Solution
The fourth proportional to 660,792.16, 911,863.84 and 374,306.48 is: 516,526.32
Step by Step Solution
- Step 1: Write the proportion equation
660,792.16 : 911,863.84 = 374,306.48 : x - Step 2: Convert to fraction form
660,792.16/911,863.84 = 374,306.48/x - Step 3: Cross multiply
660,792.16x = 911,863.84 × 374,306.48 - Step 4: Simplify right side
660,792.16x = 341,316,544,189.68 - Step 5: Solve for x
x = 341,316,544,189.68/660,792.16 - Step 6: Final answer
x = 516,526.32
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1.5x scale
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.