Finding the Fourth Proportional to 855,753.60, 1,180,931.84 and 493,044.48
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Solution
The fourth proportional to 855,753.60, 1,180,931.84 and 493,044.48 is: 680,396.70
Step by Step Solution
- Step 1: Write the proportion equation
855,753.60 : 1,180,931.84 = 493,044.48 : x - Step 2: Convert to fraction form
855,753.60/1,180,931.84 = 493,044.48/x - Step 3: Cross multiply
855,753.60x = 1,180,931.84 × 493,044.48 - Step 4: Simplify right side
855,753.60x = 582,251,924,968.24 - Step 5: Solve for x
x = 582,251,924,968.24/855,753.60 - Step 6: Final answer
x = 680,396.70
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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.