Finding the Fourth Proportional to 789,965.80, 1,184,948.70 and 346,733.80
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Solution
The fourth proportional to 789,965.80, 1,184,948.70 and 346,733.80 is: 520,100.70
Step by Step Solution
- Step 1: Write the proportion equation
789,965.80 : 1,184,948.70 = 346,733.80 : x - Step 2: Convert to fraction form
789,965.80/1,184,948.70 = 346,733.80/x - Step 3: Cross multiply
789,965.80x = 1,184,948.70 × 346,733.80 - Step 4: Simplify right side
789,965.80x = 410,861,765,556.06 - Step 5: Solve for x
x = 410,861,765,556.06/789,965.80 - Step 6: Final answer
x = 520,100.70
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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.