Finding the Fourth Proportional to 768,355.84, 1,060,469.82 and 458,278.28
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Solution
The fourth proportional to 768,355.84, 1,060,469.82 and 458,278.28 is: 632,506.79
Step by Step Solution
- Step 1: Write the proportion equation
768,355.84 : 1,060,469.82 = 458,278.28 : x - Step 2: Convert to fraction form
768,355.84/1,060,469.82 = 458,278.28/x - Step 3: Cross multiply
768,355.84x = 1,060,469.82 × 458,278.28 - Step 4: Simplify right side
768,355.84x = 485,990,285,101.51 - Step 5: Solve for x
x = 485,990,285,101.51/768,355.84 - Step 6: Final answer
x = 632,506.79
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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.