Finding the Fourth Proportional to 877,130.36, 1,210,471.26 and 495,225.08
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Solution
The fourth proportional to 877,130.36, 1,210,471.26 and 495,225.08 is: 683,428.32
Step by Step Solution
- Step 1: Write the proportion equation
877,130.36 : 1,210,471.26 = 495,225.08 : x - Step 2: Convert to fraction form
877,130.36/1,210,471.26 = 495,225.08/x - Step 3: Cross multiply
877,130.36x = 1,210,471.26 × 495,225.08 - Step 4: Simplify right side
877,130.36x = 599,455,726,571.20 - Step 5: Solve for x
x = 599,455,726,571.20/877,130.36 - Step 6: Final answer
x = 683,428.32
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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.