Finding the Fourth Proportional to 472,462.80, 708,694.20 and 413,413.80
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Solution
The fourth proportional to 472,462.80, 708,694.20 and 413,413.80 is: 620,120.70
Step by Step Solution
- Step 1: Write the proportion equation
472,462.80 : 708,694.20 = 413,413.80 : x - Step 2: Convert to fraction form
472,462.80/708,694.20 = 413,413.80/x - Step 3: Cross multiply
472,462.80x = 708,694.20 × 413,413.80 - Step 4: Simplify right side
472,462.80x = 292,983,962,259.96 - Step 5: Solve for x
x = 292,983,962,259.96/472,462.80 - Step 6: Final answer
x = 620,120.70
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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.