Finding the Fourth Proportional to 436,070.80, 654,106.20 and 409,805.20
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Solution
The fourth proportional to 436,070.80, 654,106.20 and 409,805.20 is: 614,707.80
Step by Step Solution
- Step 1: Write the proportion equation
436,070.80 : 654,106.20 = 409,805.20 : x - Step 2: Convert to fraction form
436,070.80/654,106.20 = 409,805.20/x - Step 3: Cross multiply
436,070.80x = 654,106.20 × 409,805.20 - Step 4: Simplify right side
436,070.80x = 268,056,122,112.24 - Step 5: Solve for x
x = 268,056,122,112.24/436,070.80 - Step 6: Final answer
x = 614,707.80
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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.