Finding the Fourth Proportional to 519,233.28, 778,059.36 and 385,486.08
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Solution
The fourth proportional to 519,233.28, 778,059.36 and 385,486.08 is: 577,642.20
Step by Step Solution
- Step 1: Write the proportion equation
519,233.28 : 778,059.36 = 385,486.08 : x - Step 2: Convert to fraction form
519,233.28/778,059.36 = 385,486.08/x - Step 3: Cross multiply
519,233.28x = 778,059.36 × 385,486.08 - Step 4: Simplify right side
519,233.28x = 299,931,052,693.71 - Step 5: Solve for x
x = 299,931,052,693.71/519,233.28 - Step 6: Final answer
x = 577,642.20
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.