Finding the Fourth Proportional to 543,997.10, 750,701.07 and 302,273.46
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Solution
The fourth proportional to 543,997.10, 750,701.07 and 302,273.46 is: 417,129.08
Step by Step Solution
- Step 1: Write the proportion equation
543,997.10 : 750,701.07 = 302,273.46 : x - Step 2: Convert to fraction form
543,997.10/750,701.07 = 302,273.46/x - Step 3: Cross multiply
543,997.10x = 750,701.07 × 302,273.46 - Step 4: Simplify right side
543,997.10x = 226,917,009,854.60 - Step 5: Solve for x
x = 226,917,009,854.60/543,997.10 - Step 6: Final answer
x = 417,129.08
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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.