Finding the Fourth Proportional to 808,989.95, 1,213,169.69 and 303,275.09
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Solution
The fourth proportional to 808,989.95, 1,213,169.69 and 303,275.09 is: 454,794.45
Step by Step Solution
- Step 1: Write the proportion equation
808,989.95 : 1,213,169.69 = 303,275.09 : x - Step 2: Convert to fraction form
808,989.95/1,213,169.69 = 303,275.09/x - Step 3: Cross multiply
808,989.95x = 1,213,169.69 × 303,275.09 - Step 4: Simplify right side
808,989.95x = 367,924,139,337.80 - Step 5: Solve for x
x = 367,924,139,337.80/808,989.95 - Step 6: Final answer
x = 454,794.45
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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.