Finding the Fourth Proportional to 1,063,609.74, 1,595,413.80 and 315,655.74
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Solution
The fourth proportional to 1,063,609.74, 1,595,413.80 and 315,655.74 is: 473,483.37
Step by Step Solution
- Step 1: Write the proportion equation
1,063,609.74 : 1,595,413.80 = 315,655.74 : x - Step 2: Convert to fraction form
1,063,609.74/1,595,413.80 = 315,655.74/x - Step 3: Cross multiply
1,063,609.74x = 1,595,413.80 × 315,655.74 - Step 4: Simplify right side
1,063,609.74x = 503,601,523,645.21 - Step 5: Solve for x
x = 503,601,523,645.21/1,063,609.74 - Step 6: Final answer
x = 473,483.37
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1.5x scale
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.