Finding the Fourth Proportional to 877,446.96, 1,210,809.24 and 495,507.12
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Solution
The fourth proportional to 877,446.96, 1,210,809.24 and 495,507.12 is: 683,761.67
Step by Step Solution
- Step 1: Write the proportion equation
877,446.96 : 1,210,809.24 = 495,507.12 : x - Step 2: Convert to fraction form
877,446.96/1,210,809.24 = 495,507.12/x - Step 3: Cross multiply
877,446.96x = 1,210,809.24 × 495,507.12 - Step 4: Simplify right side
877,446.96x = 599,964,599,381.79 - Step 5: Solve for x
x = 599,964,599,381.79/877,446.96 - Step 6: Final answer
x = 683,761.67
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1.5x scale
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.