Finding the Fourth Proportional to 667,809.43, 999,319.66 and 578,160.49
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Solution
The fourth proportional to 667,809.43, 999,319.66 and 578,160.49 is: 865,167.69
Step by Step Solution
- Step 1: Write the proportion equation
667,809.43 : 999,319.66 = 578,160.49 : x - Step 2: Convert to fraction form
667,809.43/999,319.66 = 578,160.49/x - Step 3: Cross multiply
667,809.43x = 999,319.66 × 578,160.49 - Step 4: Simplify right side
667,809.43x = 577,767,144,292.23 - Step 5: Solve for x
x = 577,767,144,292.23/667,809.43 - Step 6: Final answer
x = 865,167.69
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.