Finding the Fourth Proportional to 694,417.26, 1,034,037.23 and 668,878.74
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Solution
The fourth proportional to 694,417.26, 1,034,037.23 and 668,878.74 is: 996,008.53
Step by Step Solution
- Step 1: Write the proportion equation
694,417.26 : 1,034,037.23 = 668,878.74 : x - Step 2: Convert to fraction form
694,417.26/1,034,037.23 = 668,878.74/x - Step 3: Cross multiply
694,417.26x = 1,034,037.23 × 668,878.74 - Step 4: Simplify right side
694,417.26x = 691,645,516,171.10 - Step 5: Solve for x
x = 691,645,516,171.10/694,417.26 - Step 6: Final answer
x = 996,008.53
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Why These Related Problems?
These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.