Finding the Fourth Proportional to 617,128.99, 925,360.64 and 279,985.69
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Solution
The fourth proportional to 617,128.99, 925,360.64 and 279,985.69 is: 419,827.53
Step by Step Solution
- Step 1: Write the proportion equation
617,128.99 : 925,360.64 = 279,985.69 : x - Step 2: Convert to fraction form
617,128.99/925,360.64 = 279,985.69/x - Step 3: Cross multiply
617,128.99x = 925,360.64 × 279,985.69 - Step 4: Simplify right side
617,128.99x = 259,087,738,095.96 - Step 5: Solve for x
x = 259,087,738,095.96/617,128.99 - Step 6: Final answer
x = 419,827.53
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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.