Finding the Fourth Proportional to 570,307.63, 786,832.35 and 328,584.19
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Solution
The fourth proportional to 570,307.63, 786,832.35 and 328,584.19 is: 453,335.46
Step by Step Solution
- Step 1: Write the proportion equation
570,307.63 : 786,832.35 = 328,584.19 : x - Step 2: Convert to fraction form
570,307.63/786,832.35 = 328,584.19/x - Step 3: Cross multiply
570,307.63x = 786,832.35 × 328,584.19 - Step 4: Simplify right side
570,307.63x = 258,540,670,390.55 - Step 5: Solve for x
x = 258,540,670,390.55/570,307.63 - Step 6: Final answer
x = 453,335.46
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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.