Finding the Fourth Proportional to 637,675.40, 880,031.84 and 351,195.41
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Solution
The fourth proportional to 637,675.40, 880,031.84 and 351,195.41 is: 484,671.58
Step by Step Solution
- Step 1: Write the proportion equation
637,675.40 : 880,031.84 = 351,195.41 : x - Step 2: Convert to fraction form
637,675.40/880,031.84 = 351,195.41/x - Step 3: Cross multiply
637,675.40x = 880,031.84 × 351,195.41 - Step 4: Simplify right side
637,675.40x = 309,063,143,305.96 - Step 5: Solve for x
x = 309,063,143,305.96/637,675.40 - Step 6: Final answer
x = 484,671.58
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1.5x scale
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.