Finding the Fourth Proportional to 489,034.24, 733,488.98 and 189,309.74
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Solution
The fourth proportional to 489,034.24, 733,488.98 and 189,309.74 is: 283,940.45
Step by Step Solution
- Step 1: Write the proportion equation
489,034.24 : 733,488.98 = 189,309.74 : x - Step 2: Convert to fraction form
489,034.24/733,488.98 = 189,309.74/x - Step 3: Cross multiply
489,034.24x = 733,488.98 × 189,309.74 - Step 4: Simplify right side
489,034.24x = 138,856,603,482.67 - Step 5: Solve for x
x = 138,856,603,482.67/489,034.24 - Step 6: Final answer
x = 283,940.45
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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.