Finding the Fourth Proportional to 560,265.68, 838,558.20 and 426,423.44
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Solution
The fourth proportional to 560,265.68, 838,558.20 and 426,423.44 is: 638,234.48
Step by Step Solution
- Step 1: Write the proportion equation
560,265.68 : 838,558.20 = 426,423.44 : x - Step 2: Convert to fraction form
560,265.68/838,558.20 = 426,423.44/x - Step 3: Cross multiply
560,265.68x = 838,558.20 × 426,423.44 - Step 4: Simplify right side
560,265.68x = 357,580,872,284.21 - Step 5: Solve for x
x = 357,580,872,284.21/560,265.68 - Step 6: Final answer
x = 638,234.48
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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.