Finding the Fourth Proportional to 949,197.20, 1,309,892.64 and 519,477.08
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Solution
The fourth proportional to 949,197.20, 1,309,892.64 and 519,477.08 is: 716,878.65
Step by Step Solution
- Step 1: Write the proportion equation
949,197.20 : 1,309,892.64 = 519,477.08 : x - Step 2: Convert to fraction form
949,197.20/1,309,892.64 = 519,477.08/x - Step 3: Cross multiply
949,197.20x = 1,309,892.64 × 519,477.08 - Step 4: Simplify right side
949,197.20x = 680,459,203,740.69 - Step 5: Solve for x
x = 680,459,203,740.69/949,197.20 - Step 6: Final answer
x = 716,878.65
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.