Finding the Fourth Proportional to 711,984.84, 982,539.36 and 389,695.02
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Solution
The fourth proportional to 711,984.84, 982,539.36 and 389,695.02 is: 537,779.28
Step by Step Solution
- Step 1: Write the proportion equation
711,984.84 : 982,539.36 = 389,695.02 : x - Step 2: Convert to fraction form
711,984.84/982,539.36 = 389,695.02/x - Step 3: Cross multiply
711,984.84x = 982,539.36 × 389,695.02 - Step 4: Simplify right side
711,984.84x = 382,890,695,545.99 - Step 5: Solve for x
x = 382,890,695,545.99/711,984.84 - Step 6: Final answer
x = 537,779.28
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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.