Finding the Fourth Proportional to 657,052.74, 906,732.63 and 370,572.21
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Solution
The fourth proportional to 657,052.74, 906,732.63 and 370,572.21 is: 511,389.56
Step by Step Solution
- Step 1: Write the proportion equation
657,052.74 : 906,732.63 = 370,572.21 : x - Step 2: Convert to fraction form
657,052.74/906,732.63 = 370,572.21/x - Step 3: Cross multiply
657,052.74x = 906,732.63 × 370,572.21 - Step 4: Simplify right side
657,052.74x = 336,009,914,578.21 - Step 5: Solve for x
x = 336,009,914,578.21/657,052.74 - Step 6: Final answer
x = 511,389.56
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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.