Finding the Fourth Proportional to 514,817.68, 710,448.60 and 313,613.68
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Solution
The fourth proportional to 514,817.68, 710,448.60 and 313,613.68 is: 432,787.00
Step by Step Solution
- Step 1: Write the proportion equation
514,817.68 : 710,448.60 = 313,613.68 : x - Step 2: Convert to fraction form
514,817.68/710,448.60 = 313,613.68/x - Step 3: Cross multiply
514,817.68x = 710,448.60 × 313,613.68 - Step 4: Simplify right side
514,817.68x = 222,806,399,896.85 - Step 5: Solve for x
x = 222,806,399,896.85/514,817.68 - Step 6: Final answer
x = 432,787.00
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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.