Finding the Fourth Proportional to 553,349.80, 830,024.70 and 541,685.80
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Solution
The fourth proportional to 553,349.80, 830,024.70 and 541,685.80 is: 812,528.70
Step by Step Solution
- Step 1: Write the proportion equation
553,349.80 : 830,024.70 = 541,685.80 : x - Step 2: Convert to fraction form
553,349.80/830,024.70 = 541,685.80/x - Step 3: Cross multiply
553,349.80x = 830,024.70 × 541,685.80 - Step 4: Simplify right side
553,349.80x = 449,612,593,639.26 - Step 5: Solve for x
x = 449,612,593,639.26/553,349.80 - Step 6: Final answer
x = 812,528.70
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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.