Finding the Fourth Proportional to 677,808.62, 1,016,365.43 and 358,132.40
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Solution
The fourth proportional to 677,808.62, 1,016,365.43 and 358,132.40 is: 537,014.99
Step by Step Solution
- Step 1: Write the proportion equation
677,808.62 : 1,016,365.43 = 358,132.40 : x - Step 2: Convert to fraction form
677,808.62/1,016,365.43 = 358,132.40/x - Step 3: Cross multiply
677,808.62x = 1,016,365.43 × 358,132.40 - Step 4: Simplify right side
677,808.62x = 363,993,385,641.11 - Step 5: Solve for x
x = 363,993,385,641.11/677,808.62 - Step 6: Final answer
x = 537,014.99
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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.