Finding the Fourth Proportional to 887,860.80, 1,330,260.30 and 413,573.40
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Solution
The fourth proportional to 887,860.80, 1,330,260.30 and 413,573.40 is: 619,646.99
Step by Step Solution
- Step 1: Write the proportion equation
887,860.80 : 1,330,260.30 = 413,573.40 : x - Step 2: Convert to fraction form
887,860.80/1,330,260.30 = 413,573.40/x - Step 3: Cross multiply
887,860.80x = 1,330,260.30 × 413,573.40 - Step 4: Simplify right side
887,860.80x = 550,160,275,156.02 - Step 5: Solve for x
x = 550,160,275,156.02/887,860.80 - Step 6: Final answer
x = 619,646.99
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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.