Finding the Fourth Proportional to 868,292.65, 1,303,631.98 and 442,114.79
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Solution
The fourth proportional to 868,292.65, 1,303,631.98 and 442,114.79 is: 663,779.64
Step by Step Solution
- Step 1: Write the proportion equation
868,292.65 : 1,303,631.98 = 442,114.79 : x - Step 2: Convert to fraction form
868,292.65/1,303,631.98 = 442,114.79/x - Step 3: Cross multiply
868,292.65x = 1,303,631.98 × 442,114.79 - Step 4: Simplify right side
868,292.65x = 576,354,981,228.78 - Step 5: Solve for x
x = 576,354,981,228.78/868,292.65 - Step 6: Final answer
x = 663,779.64
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.