Finding the Fourth Proportional to 513,157.97, 769,862.48 and 361,650.65
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Solution
The fourth proportional to 513,157.97, 769,862.48 and 361,650.65 is: 542,564.43
Step by Step Solution
- Step 1: Write the proportion equation
513,157.97 : 769,862.48 = 361,650.65 : x - Step 2: Convert to fraction form
513,157.97/769,862.48 = 361,650.65/x - Step 3: Cross multiply
513,157.97x = 769,862.48 × 361,650.65 - Step 4: Simplify right side
513,157.97x = 278,421,260,645.05 - Step 5: Solve for x
x = 278,421,260,645.05/513,157.97 - Step 6: Final answer
x = 542,564.43
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.