Finding the Fourth Proportional to 692,775.11, 955,757.68 and 402,337.26
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Solution
The fourth proportional to 692,775.11, 955,757.68 and 402,337.26 is: 555,067.46
Step by Step Solution
- Step 1: Write the proportion equation
692,775.11 : 955,757.68 = 402,337.26 : x - Step 2: Convert to fraction form
692,775.11/955,757.68 = 402,337.26/x - Step 3: Cross multiply
692,775.11x = 955,757.68 × 402,337.26 - Step 4: Simplify right side
692,775.11x = 384,536,925,189.31 - Step 5: Solve for x
x = 384,536,925,189.31/692,775.11 - Step 6: Final answer
x = 555,067.46
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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.