Finding the Fourth Proportional to 898,331.70, 1,347,497.55 and 425,939.70
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Solution
The fourth proportional to 898,331.70, 1,347,497.55 and 425,939.70 is: 638,909.55
Step by Step Solution
- Step 1: Write the proportion equation
898,331.70 : 1,347,497.55 = 425,939.70 : x - Step 2: Convert to fraction form
898,331.70/1,347,497.55 = 425,939.70/x - Step 3: Cross multiply
898,331.70x = 1,347,497.55 × 425,939.70 - Step 4: Simplify right side
898,331.70x = 573,952,702,197.74 - Step 5: Solve for x
x = 573,952,702,197.74/898,331.70 - Step 6: Final answer
x = 638,909.55
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.