Finding the Fourth Proportional to 648,448.12, 894,854.97 and 376,582.84
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Solution
The fourth proportional to 648,448.12, 894,854.97 and 376,582.84 is: 519,682.32
Step by Step Solution
- Step 1: Write the proportion equation
648,448.12 : 894,854.97 = 376,582.84 : x - Step 2: Convert to fraction form
648,448.12/894,854.97 = 376,582.84/x - Step 3: Cross multiply
648,448.12x = 894,854.97 × 376,582.84 - Step 4: Simplify right side
648,448.12x = 336,987,025,990.72 - Step 5: Solve for x
x = 336,987,025,990.72/648,448.12 - Step 6: Final answer
x = 519,682.32
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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.