Finding the Fourth Proportional to 578,742.68, 798,642.51 and 324,080.84
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Solution
The fourth proportional to 578,742.68, 798,642.51 and 324,080.84 is: 447,219.02
Step by Step Solution
- Step 1: Write the proportion equation
578,742.68 : 798,642.51 = 324,080.84 : x - Step 2: Convert to fraction form
578,742.68/798,642.51 = 324,080.84/x - Step 3: Cross multiply
578,742.68x = 798,642.51 × 324,080.84 - Step 4: Simplify right side
578,742.68x = 258,824,735,500.51 - Step 5: Solve for x
x = 258,824,735,500.51/578,742.68 - Step 6: Final answer
x = 447,219.02
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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.