Finding the Fourth Proportional to 649,588.76, 895,987.69 and 423,540.44
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Solution
The fourth proportional to 649,588.76, 895,987.69 and 423,540.44 is: 584,195.79
Step by Step Solution
- Step 1: Write the proportion equation
649,588.76 : 895,987.69 = 423,540.44 : x - Step 2: Convert to fraction form
649,588.76/895,987.69 = 423,540.44/x - Step 3: Cross multiply
649,588.76x = 895,987.69 × 423,540.44 - Step 4: Simplify right side
649,588.76x = 379,487,020,457.18 - Step 5: Solve for x
x = 379,487,020,457.18/649,588.76 - Step 6: Final answer
x = 584,195.79
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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.