Finding the Fourth Proportional to 565,627.68, 780,454.28 and 317,277.63
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Solution
The fourth proportional to 565,627.68, 780,454.28 and 317,277.63 is: 437,780.35
Step by Step Solution
- Step 1: Write the proportion equation
565,627.68 : 780,454.28 = 317,277.63 : x - Step 2: Convert to fraction form
565,627.68/780,454.28 = 317,277.63/x - Step 3: Cross multiply
565,627.68x = 780,454.28 × 317,277.63 - Step 4: Simplify right side
565,627.68x = 247,620,685,074.95 - Step 5: Solve for x
x = 247,620,685,074.95/565,627.68 - Step 6: Final answer
x = 437,780.35
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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.