Finding the Fourth Proportional to 905,732.74, 1,249,720.41 and 503,316.10
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Solution
The fourth proportional to 905,732.74, 1,249,720.41 and 503,316.10 is: 694,470.21
Step by Step Solution
- Step 1: Write the proportion equation
905,732.74 : 1,249,720.41 = 503,316.10 : x - Step 2: Convert to fraction form
905,732.74/1,249,720.41 = 503,316.10/x - Step 3: Cross multiply
905,732.74x = 1,249,720.41 × 503,316.10 - Step 4: Simplify right side
905,732.74x = 629,004,402,851.60 - Step 5: Solve for x
x = 629,004,402,851.60/905,732.74 - Step 6: Final answer
x = 694,470.21
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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.