Finding the Fourth Proportional to 905,804.51, 1,249,996.21 and 497,897.62
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Solution
The fourth proportional to 905,804.51, 1,249,996.21 and 497,897.62 is: 687,091.01
Step by Step Solution
- Step 1: Write the proportion equation
905,804.51 : 1,249,996.21 = 497,897.62 : x - Step 2: Convert to fraction form
905,804.51/1,249,996.21 = 497,897.62/x - Step 3: Cross multiply
905,804.51x = 1,249,996.21 × 497,897.62 - Step 4: Simplify right side
905,804.51x = 622,370,133,916.04 - Step 5: Solve for x
x = 622,370,133,916.04/905,804.51 - Step 6: Final answer
x = 687,091.01
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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.