Finding the Fourth Proportional to 770,132.93, 1,062,457.99 and 515,566.13
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Solution
The fourth proportional to 770,132.93, 1,062,457.99 and 515,566.13 is: 711,263.38
Step by Step Solution
- Step 1: Write the proportion equation
770,132.93 : 1,062,457.99 = 515,566.13 : x - Step 2: Convert to fraction form
770,132.93/1,062,457.99 = 515,566.13/x - Step 3: Cross multiply
770,132.93x = 1,062,457.99 × 515,566.13 - Step 4: Simplify right side
770,132.93x = 547,767,347,590.67 - Step 5: Solve for x
x = 547,767,347,590.67/770,132.93 - Step 6: Final answer
x = 711,263.38
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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.