Finding the Fourth Proportional to 875,217.87, 1,207,897.25 and 507,775.95
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Solution
The fourth proportional to 875,217.87, 1,207,897.25 and 507,775.95 is: 700,786.85
Step by Step Solution
- Step 1: Write the proportion equation
875,217.87 : 1,207,897.25 = 507,775.95 : x - Step 2: Convert to fraction form
875,217.87/1,207,897.25 = 507,775.95/x - Step 3: Cross multiply
875,217.87x = 1,207,897.25 × 507,775.95 - Step 4: Simplify right side
875,217.87x = 613,341,171,082.26 - Step 5: Solve for x
x = 613,341,171,082.26/875,217.87 - Step 6: Final answer
x = 700,786.85
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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.