Finding the Fourth Proportional to 436,077.30, 654,115.95 and 409,811.70
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Solution
The fourth proportional to 436,077.30, 654,115.95 and 409,811.70 is: 614,717.55
Step by Step Solution
- Step 1: Write the proportion equation
436,077.30 : 654,115.95 = 409,811.70 : x - Step 2: Convert to fraction form
436,077.30/654,115.95 = 409,811.70/x - Step 3: Cross multiply
436,077.30x = 654,115.95 × 409,811.70 - Step 4: Simplify right side
436,077.30x = 268,064,369,466.62 - Step 5: Solve for x
x = 268,064,369,466.62/436,077.30 - Step 6: Final answer
x = 614,717.55
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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.