Finding the Fourth Proportional to 905,662.53, 1,249,827.23 and 497,802.08
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Solution
The fourth proportional to 905,662.53, 1,249,827.23 and 497,802.08 is: 686,973.98
Step by Step Solution
- Step 1: Write the proportion equation
905,662.53 : 1,249,827.23 = 497,802.08 : x - Step 2: Convert to fraction form
905,662.53/1,249,827.23 = 497,802.08/x - Step 3: Cross multiply
905,662.53x = 1,249,827.23 × 497,802.08 - Step 4: Simplify right side
905,662.53x = 622,166,594,734.64 - Step 5: Solve for x
x = 622,166,594,734.64/905,662.53 - Step 6: Final answer
x = 686,973.98
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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.