Finding the Fourth Proportional to 905,728.49, 1,249,918.14 and 497,868.04
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Solution
The fourth proportional to 905,728.49, 1,249,918.14 and 497,868.04 is: 687,064.95
Step by Step Solution
- Step 1: Write the proportion equation
905,728.49 : 1,249,918.14 = 497,868.04 : x - Step 2: Convert to fraction form
905,728.49/1,249,918.14 = 497,868.04/x - Step 3: Cross multiply
905,728.49x = 1,249,918.14 × 497,868.04 - Step 4: Simplify right side
905,728.49x = 622,294,293,264.46 - Step 5: Solve for x
x = 622,294,293,264.46/905,728.49 - Step 6: Final answer
x = 687,064.95
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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.