Finding the Fourth Proportional to 989,455.68, 1,365,479.34 and 559,727.20
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Solution
The fourth proportional to 989,455.68, 1,365,479.34 and 559,727.20 is: 772,440.79
Step by Step Solution
- Step 1: Write the proportion equation
989,455.68 : 1,365,479.34 = 559,727.20 : x - Step 2: Convert to fraction form
989,455.68/1,365,479.34 = 559,727.20/x - Step 3: Cross multiply
989,455.68x = 1,365,479.34 × 559,727.20 - Step 4: Simplify right side
989,455.68x = 764,295,927,636.05 - Step 5: Solve for x
x = 764,295,927,636.05/989,455.68 - Step 6: Final answer
x = 772,440.79
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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.