Finding the Fourth Proportional to 613,340.16, 846,409.34 and 341,402.20
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Solution
The fourth proportional to 613,340.16, 846,409.34 and 341,402.20 is: 471,134.99
Step by Step Solution
- Step 1: Write the proportion equation
613,340.16 : 846,409.34 = 341,402.20 : x - Step 2: Convert to fraction form
613,340.16/846,409.34 = 341,402.20/x - Step 3: Cross multiply
613,340.16x = 846,409.34 × 341,402.20 - Step 4: Simplify right side
613,340.16x = 288,966,010,776.55 - Step 5: Solve for x
x = 288,966,010,776.55/613,340.16 - Step 6: Final answer
x = 471,134.99
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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.