Finding the Fourth Proportional to 950,622.41, 1,311,368.24 and 644,595.23
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Solution
The fourth proportional to 950,622.41, 1,311,368.24 and 644,595.23 is: 889,208.69
Step by Step Solution
- Step 1: Write the proportion equation
950,622.41 : 1,311,368.24 = 644,595.23 : x - Step 2: Convert to fraction form
950,622.41/1,311,368.24 = 644,595.23/x - Step 3: Cross multiply
950,622.41x = 1,311,368.24 × 644,595.23 - Step 4: Simplify right side
950,622.41x = 845,301,707,332.14 - Step 5: Solve for x
x = 845,301,707,332.14/950,622.41 - Step 6: Final answer
x = 889,208.69
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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.