Finding the Fourth Proportional to 831,935.59, 1,244,619.99 and 630,113.08
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Solution
The fourth proportional to 831,935.59, 1,244,619.99 and 630,113.08 is: 942,682.75
Step by Step Solution
- Step 1: Write the proportion equation
831,935.59 : 1,244,619.99 = 630,113.08 : x - Step 2: Convert to fraction form
831,935.59/1,244,619.99 = 630,113.08/x - Step 3: Cross multiply
831,935.59x = 1,244,619.99 × 630,113.08 - Step 4: Simplify right side
831,935.59x = 784,251,334,949.72 - Step 5: Solve for x
x = 784,251,334,949.72/831,935.59 - Step 6: Final answer
x = 942,682.75
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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.