Finding the Fourth Proportional to 876,236.58, 1,209,206.61 and 473,828.58
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Solution
The fourth proportional to 876,236.58, 1,209,206.61 and 473,828.58 is: 653,883.51
Step by Step Solution
- Step 1: Write the proportion equation
876,236.58 : 1,209,206.61 = 473,828.58 : x - Step 2: Convert to fraction form
876,236.58/1,209,206.61 = 473,828.58/x - Step 3: Cross multiply
876,236.58x = 1,209,206.61 × 473,828.58 - Step 4: Simplify right side
876,236.58x = 572,956,650,942.91 - Step 5: Solve for x
x = 572,956,650,942.91/876,236.58 - Step 6: Final answer
x = 653,883.51
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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.