Finding the Fourth Proportional to 836,405.28, 1,154,201.67 and 473,821.74
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Solution
The fourth proportional to 836,405.28, 1,154,201.67 and 473,821.74 is: 653,852.69
Step by Step Solution
- Step 1: Write the proportion equation
836,405.28 : 1,154,201.67 = 473,821.74 : x - Step 2: Convert to fraction form
836,405.28/1,154,201.67 = 473,821.74/x - Step 3: Cross multiply
836,405.28x = 1,154,201.67 × 473,821.74 - Step 4: Simplify right side
836,405.28x = 546,885,843,590.31 - Step 5: Solve for x
x = 546,885,843,590.31/836,405.28 - Step 6: Final answer
x = 653,852.69
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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.