Finding the Fourth Proportional to 570,272.68, 787,151.60 and 328,716.72
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Solution
The fourth proportional to 570,272.68, 787,151.60 and 328,716.72 is: 453,730.12
Step by Step Solution
- Step 1: Write the proportion equation
570,272.68 : 787,151.60 = 328,716.72 : x - Step 2: Convert to fraction form
570,272.68/787,151.60 = 328,716.72/x - Step 3: Cross multiply
570,272.68x = 787,151.60 × 328,716.72 - Step 4: Simplify right side
570,272.68x = 258,749,892,094.75 - Step 5: Solve for x
x = 258,749,892,094.75/570,272.68 - Step 6: Final answer
x = 453,730.12
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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.