Finding the Fourth Proportional to 996,203.79, 1,374,867.12 and 609,245.58
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Solution
The fourth proportional to 996,203.79, 1,374,867.12 and 609,245.58 is: 840,823.65
Step by Step Solution
- Step 1: Write the proportion equation
996,203.79 : 1,374,867.12 = 609,245.58 : x - Step 2: Convert to fraction form
996,203.79/1,374,867.12 = 609,245.58/x - Step 3: Cross multiply
996,203.79x = 1,374,867.12 × 609,245.58 - Step 4: Simplify right side
996,203.79x = 837,631,708,360.31 - Step 5: Solve for x
x = 837,631,708,360.31/996,203.79 - Step 6: Final answer
x = 840,823.65
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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.