Finding the Fourth Proportional to 927,118.70, 1,391,263.06 and 394,638.88
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Solution
The fourth proportional to 927,118.70, 1,391,263.06 and 394,638.88 is: 592,207.34
Step by Step Solution
- Step 1: Write the proportion equation
927,118.70 : 1,391,263.06 = 394,638.88 : x - Step 2: Convert to fraction form
927,118.70/1,391,263.06 = 394,638.88/x - Step 3: Cross multiply
927,118.70x = 1,391,263.06 × 394,638.88 - Step 4: Simplify right side
927,118.70x = 549,046,495,783.77 - Step 5: Solve for x
x = 549,046,495,783.77/927,118.70 - Step 6: Final answer
x = 592,207.34
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.