Finding the Fourth Proportional to 836,275.12, 1,154,022.68 and 473,691.68
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Solution
The fourth proportional to 836,275.12, 1,154,022.68 and 473,691.68 is: 653,673.57
Step by Step Solution
- Step 1: Write the proportion equation
836,275.12 : 1,154,022.68 = 473,691.68 : x - Step 2: Convert to fraction form
836,275.12/1,154,022.68 = 473,691.68/x - Step 3: Cross multiply
836,275.12x = 1,154,022.68 × 473,691.68 - Step 4: Simplify right side
836,275.12x = 546,650,942,047.30 - Step 5: Solve for x
x = 546,650,942,047.30/836,275.12 - Step 6: Final answer
x = 653,673.57
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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.