Finding the Fourth Proportional to 803,340.99, 1,108,621.49 and 440,758.26
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Solution
The fourth proportional to 803,340.99, 1,108,621.49 and 440,758.26 is: 608,252.39
Step by Step Solution
- Step 1: Write the proportion equation
803,340.99 : 1,108,621.49 = 440,758.26 : x - Step 2: Convert to fraction form
803,340.99/1,108,621.49 = 440,758.26/x - Step 3: Cross multiply
803,340.99x = 1,108,621.49 × 440,758.26 - Step 4: Simplify right side
803,340.99x = 488,634,076,727.22 - Step 5: Solve for x
x = 488,634,076,727.22/803,340.99 - Step 6: Final answer
x = 608,252.39
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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.