Finding the Fourth Proportional to 759,732.06, 1,048,359.87 and 420,193.02
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Solution
The fourth proportional to 759,732.06, 1,048,359.87 and 420,193.02 is: 579,827.45
Step by Step Solution
- Step 1: Write the proportion equation
759,732.06 : 1,048,359.87 = 420,193.02 : x - Step 2: Convert to fraction form
759,732.06/1,048,359.87 = 420,193.02/x - Step 3: Cross multiply
759,732.06x = 1,048,359.87 × 420,193.02 - Step 4: Simplify right side
759,732.06x = 440,513,499,822.11 - Step 5: Solve for x
x = 440,513,499,822.11/759,732.06 - Step 6: Final answer
x = 579,827.45
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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.