Finding the Fourth Proportional to 660,894.57, 912,031.34 and 374,413.98
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Solution
The fourth proportional to 660,894.57, 912,031.34 and 374,413.98 is: 516,689.50
Step by Step Solution
- Step 1: Write the proportion equation
660,894.57 : 912,031.34 = 374,413.98 : x - Step 2: Convert to fraction form
660,894.57/912,031.34 = 374,413.98/x - Step 3: Cross multiply
660,894.57x = 912,031.34 × 374,413.98 - Step 4: Simplify right side
660,894.57x = 341,477,282,022.06 - Step 5: Solve for x
x = 341,477,282,022.06/660,894.57 - Step 6: Final answer
x = 516,689.50
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.