Finding the Fourth Proportional to 877,129.36, 1,210,469.88 and 495,224.08
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Solution
The fourth proportional to 877,129.36, 1,210,469.88 and 495,224.08 is: 683,426.94
Step by Step Solution
- Step 1: Write the proportion equation
877,129.36 : 1,210,469.88 = 495,224.08 : x - Step 2: Convert to fraction form
877,129.36/1,210,469.88 = 495,224.08/x - Step 3: Cross multiply
877,129.36x = 1,210,469.88 × 495,224.08 - Step 4: Simplify right side
877,129.36x = 599,453,832,690.71 - Step 5: Solve for x
x = 599,453,832,690.71/877,129.36 - Step 6: Final answer
x = 683,426.94
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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.