Finding the Fourth Proportional to 611,451.60, 918,161.55 and 461,860.80
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Solution
The fourth proportional to 611,451.60, 918,161.55 and 461,860.80 is: 693,534.58
Step by Step Solution
- Step 1: Write the proportion equation
611,451.60 : 918,161.55 = 461,860.80 : x - Step 2: Convert to fraction form
611,451.60/918,161.55 = 461,860.80/x - Step 3: Cross multiply
611,451.60x = 918,161.55 × 461,860.80 - Step 4: Simplify right side
611,451.60x = 424,062,828,012.24 - Step 5: Solve for x
x = 424,062,828,012.24/611,451.60 - Step 6: Final answer
x = 693,534.58
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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.