Finding the Fourth Proportional to 743,569.74, 1,026,132.39 and 404,037.99
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Solution
The fourth proportional to 743,569.74, 1,026,132.39 and 404,037.99 is: 557,575.77
Step by Step Solution
- Step 1: Write the proportion equation
743,569.74 : 1,026,132.39 = 404,037.99 : x - Step 2: Convert to fraction form
743,569.74/1,026,132.39 = 404,037.99/x - Step 3: Cross multiply
743,569.74x = 1,026,132.39 × 404,037.99 - Step 4: Simplify right side
743,569.74x = 414,596,468,329.50 - Step 5: Solve for x
x = 414,596,468,329.50/743,569.74 - Step 6: Final answer
x = 557,575.77
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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.