Finding the Fourth Proportional to 1,076,953.41, 1,615,446.97 and 318,871.78
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Solution
The fourth proportional to 1,076,953.41, 1,615,446.97 and 318,871.78 is: 478,312.66
Step by Step Solution
- Step 1: Write the proportion equation
1,076,953.41 : 1,615,446.97 = 318,871.78 : x - Step 2: Convert to fraction form
1,076,953.41/1,615,446.97 = 318,871.78/x - Step 3: Cross multiply
1,076,953.41x = 1,615,446.97 × 318,871.78 - Step 4: Simplify right side
1,076,953.41x = 515,120,450,819.51 - Step 5: Solve for x
x = 515,120,450,819.51/1,076,953.41 - Step 6: Final answer
x = 478,312.66
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.