Finding the Fourth Proportional to 743,182.02, 1,025,585.55 and 403,652.70
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Solution
The fourth proportional to 743,182.02, 1,025,585.55 and 403,652.70 is: 557,037.66
Step by Step Solution
- Step 1: Write the proportion equation
743,182.02 : 1,025,585.55 = 403,652.70 : x - Step 2: Convert to fraction form
743,182.02/1,025,585.55 = 403,652.70/x - Step 3: Cross multiply
743,182.02x = 1,025,585.55 × 403,652.70 - Step 4: Simplify right side
743,182.02x = 413,980,376,338.49 - Step 5: Solve for x
x = 413,980,376,338.49/743,182.02 - Step 6: Final answer
x = 557,037.66
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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.