Finding the Fourth Proportional to 570,306.63, 786,830.97 and 328,583.19
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Solution
The fourth proportional to 570,306.63, 786,830.97 and 328,583.19 is: 453,334.08
Step by Step Solution
- Step 1: Write the proportion equation
570,306.63 : 786,830.97 = 328,583.19 : x - Step 2: Convert to fraction form
570,306.63/786,830.97 = 328,583.19/x - Step 3: Cross multiply
570,306.63x = 786,830.97 × 328,583.19 - Step 4: Simplify right side
570,306.63x = 258,539,430,113.39 - Step 5: Solve for x
x = 258,539,430,113.39/570,306.63 - Step 6: Final answer
x = 453,334.08
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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.