Finding the Fourth Proportional to 800,929.80, 1,201,394.70 and 486,001.80
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Solution
The fourth proportional to 800,929.80, 1,201,394.70 and 486,001.80 is: 729,002.70
Step by Step Solution
- Step 1: Write the proportion equation
800,929.80 : 1,201,394.70 = 486,001.80 : x - Step 2: Convert to fraction form
800,929.80/1,201,394.70 = 486,001.80/x - Step 3: Cross multiply
800,929.80x = 1,201,394.70 × 486,001.80 - Step 4: Simplify right side
800,929.80x = 583,879,986,710.46 - Step 5: Solve for x
x = 583,879,986,710.46/800,929.80 - Step 6: Final answer
x = 729,002.70
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.