Finding the Fourth Proportional to 651,971.05, 899,601.09 and 376,228.31
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Solution
The fourth proportional to 651,971.05, 899,601.09 and 376,228.31 is: 519,126.42
Step by Step Solution
- Step 1: Write the proportion equation
651,971.05 : 899,601.09 = 376,228.31 : x - Step 2: Convert to fraction form
651,971.05/899,601.09 = 376,228.31/x - Step 3: Cross multiply
651,971.05x = 899,601.09 × 376,228.31 - Step 4: Simplify right side
651,971.05x = 338,455,397,764.86 - Step 5: Solve for x
x = 338,455,397,764.86/651,971.05 - Step 6: Final answer
x = 519,126.42
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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.