Finding the Fourth Proportional to 873,403.17, 1,205,306.00 and 480,980.18
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Solution
The fourth proportional to 873,403.17, 1,205,306.00 and 480,980.18 is: 663,757.94
Step by Step Solution
- Step 1: Write the proportion equation
873,403.17 : 1,205,306.00 = 480,980.18 : x - Step 2: Convert to fraction form
873,403.17/1,205,306.00 = 480,980.18/x - Step 3: Cross multiply
873,403.17x = 1,205,306.00 × 480,980.18 - Step 4: Simplify right side
873,403.17x = 579,728,288,403.65 - Step 5: Solve for x
x = 579,728,288,403.65/873,403.17 - Step 6: Final answer
x = 663,757.94
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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.