Finding the Fourth Proportional to 877,145.97, 1,210,461.26 and 495,172.74
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Solution
The fourth proportional to 877,145.97, 1,210,461.26 and 495,172.74 is: 683,338.28
Step by Step Solution
- Step 1: Write the proportion equation
877,145.97 : 1,210,461.26 = 495,172.74 : x - Step 2: Convert to fraction form
877,145.97/1,210,461.26 = 495,172.74/x - Step 3: Cross multiply
877,145.97x = 1,210,461.26 × 495,172.74 - Step 4: Simplify right side
877,145.97x = 599,387,416,302.19 - Step 5: Solve for x
x = 599,387,416,302.19/877,145.97 - Step 6: Final answer
x = 683,338.28
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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.