Finding the Fourth Proportional to 579,148.20, 869,759.10 and 560,485.80
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Solution
The fourth proportional to 579,148.20, 869,759.10 and 560,485.80 is: 841,732.09
Step by Step Solution
- Step 1: Write the proportion equation
579,148.20 : 869,759.10 = 560,485.80 : x - Step 2: Convert to fraction form
579,148.20/869,759.10 = 560,485.80/x - Step 3: Cross multiply
579,148.20x = 869,759.10 × 560,485.80 - Step 4: Simplify right side
579,148.20x = 487,487,624,970.78 - Step 5: Solve for x
x = 487,487,624,970.78/579,148.20 - Step 6: Final answer
x = 841,732.09
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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.