Finding the Fourth Proportional to 1,165,928.04, 1,749,400.32 and 408,312.99
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Solution
The fourth proportional to 1,165,928.04, 1,749,400.32 and 408,312.99 is: 612,647.48
Step by Step Solution
- Step 1: Write the proportion equation
1,165,928.04 : 1,749,400.32 = 408,312.99 : x - Step 2: Convert to fraction form
1,165,928.04/1,749,400.32 = 408,312.99/x - Step 3: Cross multiply
1,165,928.04x = 1,749,400.32 × 408,312.99 - Step 4: Simplify right side
1,165,928.04x = 714,302,875,366.16 - Step 5: Solve for x
x = 714,302,875,366.16/1,165,928.04 - Step 6: Final answer
x = 612,647.48
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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.