Finding the Fourth Proportional to 939,799.08, 1,409,673.11 and 651,328.92
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Solution
The fourth proportional to 939,799.08, 1,409,673.11 and 651,328.92 is: 976,975.70
Step by Step Solution
- Step 1: Write the proportion equation
939,799.08 : 1,409,673.11 = 651,328.92 : x - Step 2: Convert to fraction form
939,799.08/1,409,673.11 = 651,328.92/x - Step 3: Cross multiply
939,799.08x = 1,409,673.11 × 651,328.92 - Step 4: Simplify right side
939,799.08x = 918,160,861,032.70 - Step 5: Solve for x
x = 918,160,861,032.70/939,799.08 - Step 6: Final answer
x = 976,975.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.