Finding the Fourth Proportional to 460,909.60, 691,882.80 and 356,192.80
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Solution
The fourth proportional to 460,909.60, 691,882.80 and 356,192.80 is: 534,689.82
Step by Step Solution
- Step 1: Write the proportion equation
460,909.60 : 691,882.80 = 356,192.80 : x - Step 2: Convert to fraction form
460,909.60/691,882.80 = 356,192.80/x - Step 3: Cross multiply
460,909.60x = 691,882.80 × 356,192.80 - Step 4: Simplify right side
460,909.60x = 246,443,671,803.84 - Step 5: Solve for x
x = 246,443,671,803.84/460,909.60 - Step 6: Final answer
x = 534,689.82
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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.