Finding the Fourth Proportional to 801,938.99, 1,106,675.77 and 439,376.60
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Solution
The fourth proportional to 801,938.99, 1,106,675.77 and 439,376.60 is: 606,339.69
Step by Step Solution
- Step 1: Write the proportion equation
801,938.99 : 1,106,675.77 = 439,376.60 : x - Step 2: Convert to fraction form
801,938.99/1,106,675.77 = 439,376.60/x - Step 3: Cross multiply
801,938.99x = 1,106,675.77 × 439,376.60 - Step 4: Simplify right side
801,938.99x = 486,247,437,124.98 - Step 5: Solve for x
x = 486,247,437,124.98/801,938.99 - Step 6: Final answer
x = 606,339.69
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1.5x scale
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.