Finding the Fourth Proportional to 1,146,387, 1,719,618.77 and 515,302.63
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Solution
The fourth proportional to 1,146,387, 1,719,618.77 and 515,302.63 is: 772,971.15
Step by Step Solution
- Step 1: Write the proportion equation
1,146,387 : 1,719,618.77 = 515,302.63 : x - Step 2: Convert to fraction form
1,146,387/1,719,618.77 = 515,302.63/x - Step 3: Cross multiply
1,146,387x = 1,719,618.77 × 515,302.63 - Step 4: Simplify right side
1,146,387x = 886,124,074,778.37 - Step 5: Solve for x
x = 886,124,074,778.37/1,146,387 - Step 6: Final answer
x = 772,971.15
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.