Finding the Fourth Proportional to 887,862.80, 1,330,263.30 and 413,575.40
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Solution
The fourth proportional to 887,862.80, 1,330,263.30 and 413,575.40 is: 619,649.99
Step by Step Solution
- Step 1: Write the proportion equation
887,862.80 : 1,330,263.30 = 413,575.40 : x - Step 2: Convert to fraction form
887,862.80/1,330,263.30 = 413,575.40/x - Step 3: Cross multiply
887,862.80x = 1,330,263.30 × 413,575.40 - Step 4: Simplify right side
887,862.80x = 550,164,176,402.82 - Step 5: Solve for x
x = 550,164,176,402.82/887,862.80 - Step 6: Final answer
x = 619,649.99
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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.