Finding the Fourth Proportional to 471,818.88, 651,106.08 and 328,658.40
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Solution
The fourth proportional to 471,818.88, 651,106.08 and 328,658.40 is: 453,545.82
Step by Step Solution
- Step 1: Write the proportion equation
471,818.88 : 651,106.08 = 328,658.40 : x - Step 2: Convert to fraction form
471,818.88/651,106.08 = 328,658.40/x - Step 3: Cross multiply
471,818.88x = 651,106.08 × 328,658.40 - Step 4: Simplify right side
471,818.88x = 213,991,482,483.07 - Step 5: Solve for x
x = 213,991,482,483.07/471,818.88 - Step 6: Final answer
x = 453,545.82
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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.