Finding the Fourth Proportional to 650,423.98, 896,988.75 and 558,512.05
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Solution
The fourth proportional to 650,423.98, 896,988.75 and 558,512.05 is: 770,234.56
Step by Step Solution
- Step 1: Write the proportion equation
650,423.98 : 896,988.75 = 558,512.05 : x - Step 2: Convert to fraction form
650,423.98/896,988.75 = 558,512.05/x - Step 3: Cross multiply
650,423.98x = 896,988.75 × 558,512.05 - Step 4: Simplify right side
650,423.98x = 500,979,025,589.44 - Step 5: Solve for x
x = 500,979,025,589.44/650,423.98 - Step 6: Final answer
x = 770,234.56
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.