Finding the Fourth Proportional to 777,477.26, 1,072,551.77 and 454,987.70
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Solution
The fourth proportional to 777,477.26, 1,072,551.77 and 454,987.70 is: 627,668.34
Step by Step Solution
- Step 1: Write the proportion equation
777,477.26 : 1,072,551.77 = 454,987.70 : x - Step 2: Convert to fraction form
777,477.26/1,072,551.77 = 454,987.70/x - Step 3: Cross multiply
777,477.26x = 1,072,551.77 × 454,987.70 - Step 4: Simplify right side
777,477.26x = 487,997,855,325.53 - Step 5: Solve for x
x = 487,997,855,325.53/777,477.26 - Step 6: Final answer
x = 627,668.34
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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.