Finding the Fourth Proportional to 864,625.91, 1,296,986.15 and 359,237.99
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Solution
The fourth proportional to 864,625.91, 1,296,986.15 and 359,237.99 is: 538,876.63
Step by Step Solution
- Step 1: Write the proportion equation
864,625.91 : 1,296,986.15 = 359,237.99 : x - Step 2: Convert to fraction form
864,625.91/1,296,986.15 = 359,237.99/x - Step 3: Cross multiply
864,625.91x = 1,296,986.15 × 359,237.99 - Step 4: Simplify right side
864,625.91x = 465,926,696,860.70 - Step 5: Solve for x
x = 465,926,696,860.70/864,625.91 - Step 6: Final answer
x = 538,876.63
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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.