Finding the Fourth Proportional to 657,046.74, 906,724.35 and 370,566.21
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Solution
The fourth proportional to 657,046.74, 906,724.35 and 370,566.21 is: 511,381.28
Step by Step Solution
- Step 1: Write the proportion equation
657,046.74 : 906,724.35 = 370,566.21 : x - Step 2: Convert to fraction form
657,046.74/906,724.35 = 370,566.21/x - Step 3: Cross multiply
657,046.74x = 906,724.35 × 370,566.21 - Step 4: Simplify right side
657,046.74x = 336,001,405,894.21 - Step 5: Solve for x
x = 336,001,405,894.21/657,046.74 - Step 6: Final answer
x = 511,381.28
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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.