Finding the Fourth Proportional to 679,507.92, 937,697.31 and 437,800.68
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Solution
The fourth proportional to 679,507.92, 937,697.31 and 437,800.68 is: 604,149.72
Step by Step Solution
- Step 1: Write the proportion equation
679,507.92 : 937,697.31 = 437,800.68 : x - Step 2: Convert to fraction form
679,507.92/937,697.31 = 437,800.68/x - Step 3: Cross multiply
679,507.92x = 937,697.31 × 437,800.68 - Step 4: Simplify right side
679,507.92x = 410,524,519,952.17 - Step 5: Solve for x
x = 410,524,519,952.17/679,507.92 - Step 6: Final answer
x = 604,149.72
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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.