Finding the Fourth Proportional to 757,853.57, 1,045,763.46 and 418,299.95
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Solution
The fourth proportional to 757,853.57, 1,045,763.46 and 418,299.95 is: 577,212.83
Step by Step Solution
- Step 1: Write the proportion equation
757,853.57 : 1,045,763.46 = 418,299.95 : x - Step 2: Convert to fraction form
757,853.57/1,045,763.46 = 418,299.95/x - Step 3: Cross multiply
757,853.57x = 1,045,763.46 × 418,299.95 - Step 4: Simplify right side
757,853.57x = 437,442,803,029.83 - Step 5: Solve for x
x = 437,442,803,029.83/757,853.57 - Step 6: Final answer
x = 577,212.83
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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.