Finding the Fourth Proportional to 891,504.96, 1,337,302.08 and 292,413.12
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Solution
The fourth proportional to 891,504.96, 1,337,302.08 and 292,413.12 is: 438,634.32
Step by Step Solution
- Step 1: Write the proportion equation
891,504.96 : 1,337,302.08 = 292,413.12 : x - Step 2: Convert to fraction form
891,504.96/1,337,302.08 = 292,413.12/x - Step 3: Cross multiply
891,504.96x = 1,337,302.08 × 292,413.12 - Step 4: Simplify right side
891,504.96x = 391,044,673,595.29 - Step 5: Solve for x
x = 391,044,673,595.29/891,504.96 - Step 6: Final answer
x = 438,634.32
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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.