Finding the Fourth Proportional to 519,449.08, 779,652.59 and 263,461.31
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Solution
The fourth proportional to 519,449.08, 779,652.59 and 263,461.31 is: 395,434.90
Step by Step Solution
- Step 1: Write the proportion equation
519,449.08 : 779,652.59 = 263,461.31 : x - Step 2: Convert to fraction form
519,449.08/779,652.59 = 263,461.31/x - Step 3: Cross multiply
519,449.08x = 779,652.59 × 263,461.31 - Step 4: Simplify right side
519,449.08x = 205,408,292,706.29 - Step 5: Solve for x
x = 205,408,292,706.29/519,449.08 - Step 6: Final answer
x = 395,434.90
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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.