Finding the Fourth Proportional to 545,644.80, 817,084.80 and 435,052.80
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Solution
The fourth proportional to 545,644.80, 817,084.80 and 435,052.80 is: 651,476.99
Step by Step Solution
- Step 1: Write the proportion equation
545,644.80 : 817,084.80 = 435,052.80 : x - Step 2: Convert to fraction form
545,644.80/817,084.80 = 435,052.80/x - Step 3: Cross multiply
545,644.80x = 817,084.80 × 435,052.80 - Step 4: Simplify right side
545,644.80x = 355,475,030,077.44 - Step 5: Solve for x
x = 355,475,030,077.44/545,644.80 - Step 6: Final answer
x = 651,476.99
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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.