Finding the Fourth Proportional to 628,001.75, 866,964.18 and 425,125.91
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Solution
The fourth proportional to 628,001.75, 866,964.18 and 425,125.91 is: 586,891.57
Step by Step Solution
- Step 1: Write the proportion equation
628,001.75 : 866,964.18 = 425,125.91 : x - Step 2: Convert to fraction form
628,001.75/866,964.18 = 425,125.91/x - Step 3: Cross multiply
628,001.75x = 866,964.18 × 425,125.91 - Step 4: Simplify right side
628,001.75x = 368,568,931,625.08 - Step 5: Solve for x
x = 368,568,931,625.08/628,001.75 - Step 6: Final answer
x = 586,891.57
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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.