Finding the Fourth Proportional to 611,334.60, 917,986.05 and 461,743.80
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Solution
The fourth proportional to 611,334.60, 917,986.05 and 461,743.80 is: 693,359.03
Step by Step Solution
- Step 1: Write the proportion equation
611,334.60 : 917,986.05 = 461,743.80 : x - Step 2: Convert to fraction form
611,334.60/917,986.05 = 461,743.80/x - Step 3: Cross multiply
611,334.60x = 917,986.05 × 461,743.80 - Step 4: Simplify right side
611,334.60x = 423,874,367,073.99 - Step 5: Solve for x
x = 423,874,367,073.99/611,334.60 - Step 6: Final answer
x = 693,359.03
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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.