Finding the Fourth Proportional to 660,645.60, 911,754.92 and 370,306.49
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Solution
The fourth proportional to 660,645.60, 911,754.92 and 370,306.49 is: 511,058.82
Step by Step Solution
- Step 1: Write the proportion equation
660,645.60 : 911,754.92 = 370,306.49 : x - Step 2: Convert to fraction form
660,645.60/911,754.92 = 370,306.49/x - Step 3: Cross multiply
660,645.60x = 911,754.92 × 370,306.49 - Step 4: Simplify right side
660,645.60x = 337,628,758,839.99 - Step 5: Solve for x
x = 337,628,758,839.99/660,645.60 - Step 6: Final answer
x = 511,058.82
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.