Finding the Fourth Proportional to 519,319.44, 778,971.06 and 266,454
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Solution
The fourth proportional to 519,319.44, 778,971.06 and 266,454 is: 399,676.84
Step by Step Solution
- Step 1: Write the proportion equation
519,319.44 : 778,971.06 = 266,454 : x - Step 2: Convert to fraction form
519,319.44/778,971.06 = 266,454/x - Step 3: Cross multiply
519,319.44x = 778,971.06 × 266,454 - Step 4: Simplify right side
519,319.44x = 207,559,954,821.24 - Step 5: Solve for x
x = 207,559,954,821.24/519,319.44 - Step 6: Final answer
x = 399,676.84
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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.