Finding the Fourth Proportional to 963,452.81, 1,445,123.63 and 289,519.65
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Solution
The fourth proportional to 963,452.81, 1,445,123.63 and 289,519.65 is: 434,262.77
Step by Step Solution
- Step 1: Write the proportion equation
963,452.81 : 1,445,123.63 = 289,519.65 : x - Step 2: Convert to fraction form
963,452.81/1,445,123.63 = 289,519.65/x - Step 3: Cross multiply
963,452.81x = 1,445,123.63 × 289,519.65 - Step 4: Simplify right side
963,452.81x = 418,391,688,288.13 - Step 5: Solve for x
x = 418,391,688,288.13/963,452.81 - Step 6: Final answer
x = 434,262.77
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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.