Finding the Fourth Proportional to 572,023.96, 789,390.88 and 313,905.18
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Solution
The fourth proportional to 572,023.96, 789,390.88 and 313,905.18 is: 433,187.95
Step by Step Solution
- Step 1: Write the proportion equation
572,023.96 : 789,390.88 = 313,905.18 : x - Step 2: Convert to fraction form
572,023.96/789,390.88 = 313,905.18/x - Step 3: Cross multiply
572,023.96x = 789,390.88 × 313,905.18 - Step 4: Simplify right side
572,023.96x = 247,793,886,276.76 - Step 5: Solve for x
x = 247,793,886,276.76/572,023.96 - Step 6: Final answer
x = 433,187.95
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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.