Finding the Fourth Proportional to 637,939.80, 956,909.70 and 283,645.80
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Solution
The fourth proportional to 637,939.80, 956,909.70 and 283,645.80 is: 425,468.70
Step by Step Solution
- Step 1: Write the proportion equation
637,939.80 : 956,909.70 = 283,645.80 : x - Step 2: Convert to fraction form
637,939.80/956,909.70 = 283,645.80/x - Step 3: Cross multiply
637,939.80x = 956,909.70 × 283,645.80 - Step 4: Simplify right side
637,939.80x = 271,423,417,384.26 - Step 5: Solve for x
x = 271,423,417,384.26/637,939.80 - Step 6: Final answer
x = 425,468.70
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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.