Finding the Fourth Proportional to 649,331.08, 895,814.88 and 431,645.02
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Solution
The fourth proportional to 649,331.08, 895,814.88 and 431,645.02 is: 595,495.96
Step by Step Solution
- Step 1: Write the proportion equation
649,331.08 : 895,814.88 = 431,645.02 : x - Step 2: Convert to fraction form
649,331.08/895,814.88 = 431,645.02/x - Step 3: Cross multiply
649,331.08x = 895,814.88 × 431,645.02 - Step 4: Simplify right side
649,331.08x = 386,674,031,793.90 - Step 5: Solve for x
x = 386,674,031,793.90/649,331.08 - Step 6: Final answer
x = 595,495.96
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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.