Finding the Fourth Proportional to 746,105.13, 1,029,588.44 and 423,772.92
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Solution
The fourth proportional to 746,105.13, 1,029,588.44 and 423,772.92 is: 584,785.82
Step by Step Solution
- Step 1: Write the proportion equation
746,105.13 : 1,029,588.44 = 423,772.92 : x - Step 2: Convert to fraction form
746,105.13/1,029,588.44 = 423,772.92/x - Step 3: Cross multiply
746,105.13x = 1,029,588.44 × 423,772.92 - Step 4: Simplify right side
746,105.13x = 436,311,697,498.18 - Step 5: Solve for x
x = 436,311,697,498.18/746,105.13 - Step 6: Final answer
x = 584,785.82
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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.