Finding the Fourth Proportional to 622,903.79, 933,584.76 and 442,701.99
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Solution
The fourth proportional to 622,903.79, 933,584.76 and 442,701.99 is: 663,505.08
Step by Step Solution
- Step 1: Write the proportion equation
622,903.79 : 933,584.76 = 442,701.99 : x - Step 2: Convert to fraction form
622,903.79/933,584.76 = 442,701.99/x - Step 3: Cross multiply
622,903.79x = 933,584.76 × 442,701.99 - Step 4: Simplify right side
622,903.79x = 413,299,831,085.67 - Step 5: Solve for x
x = 413,299,831,085.67/622,903.79 - Step 6: Final answer
x = 663,505.08
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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.