Finding the Fourth Proportional to 895,803.75, 1,236,209.18 and 493,395.75
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Solution
The fourth proportional to 895,803.75, 1,236,209.18 and 493,395.75 is: 680,886.14
Step by Step Solution
- Step 1: Write the proportion equation
895,803.75 : 1,236,209.18 = 493,395.75 : x - Step 2: Convert to fraction form
895,803.75/1,236,209.18 = 493,395.75/x - Step 3: Cross multiply
895,803.75x = 1,236,209.18 × 493,395.75 - Step 4: Simplify right side
895,803.75x = 609,940,353,056.01 - Step 5: Solve for x
x = 609,940,353,056.01/895,803.75 - Step 6: Final answer
x = 680,886.14
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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.