Finding the Fourth Proportional to 637,905.80, 956,858.70 and 283,611.80
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Solution
The fourth proportional to 637,905.80, 956,858.70 and 283,611.80 is: 425,417.70
Step by Step Solution
- Step 1: Write the proportion equation
637,905.80 : 956,858.70 = 283,611.80 : x - Step 2: Convert to fraction form
637,905.80/956,858.70 = 283,611.80/x - Step 3: Cross multiply
637,905.80x = 956,858.70 × 283,611.80 - Step 4: Simplify right side
637,905.80x = 271,376,418,252.66 - Step 5: Solve for x
x = 271,376,418,252.66/637,905.80 - Step 6: Final answer
x = 425,417.70
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1.5x scale
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.