Finding the Fourth Proportional to 980,412.99, 1,470,855.91 and 340,623.61
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Solution
The fourth proportional to 980,412.99, 1,470,855.91 and 340,623.61 is: 511,017.56
Step by Step Solution
- Step 1: Write the proportion equation
980,412.99 : 1,470,855.91 = 340,623.61 : x - Step 2: Convert to fraction form
980,412.99/1,470,855.91 = 340,623.61/x - Step 3: Cross multiply
980,412.99x = 1,470,855.91 × 340,623.61 - Step 4: Simplify right side
980,412.99x = 501,008,249,854.04 - Step 5: Solve for x
x = 501,008,249,854.04/980,412.99 - Step 6: Final answer
x = 511,017.56
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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.