Finding the Fourth Proportional to 770,545.11, 1,063,294.50 and 430,947.75
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Solution
The fourth proportional to 770,545.11, 1,063,294.50 and 430,947.75 is: 594,675.60
Step by Step Solution
- Step 1: Write the proportion equation
770,545.11 : 1,063,294.50 = 430,947.75 : x - Step 2: Convert to fraction form
770,545.11/1,063,294.50 = 430,947.75/x - Step 3: Cross multiply
770,545.11x = 1,063,294.50 × 430,947.75 - Step 4: Simplify right side
770,545.11x = 458,224,372,362.38 - Step 5: Solve for x
x = 458,224,372,362.38/770,545.11 - Step 6: Final answer
x = 594,675.60
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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.