Finding the Fourth Proportional to 887,686.75, 1,331,865.60 and 532,948.06
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Solution
The fourth proportional to 887,686.75, 1,331,865.60 and 532,948.06 is: 799,623.50
Step by Step Solution
- Step 1: Write the proportion equation
887,686.75 : 1,331,865.60 = 532,948.06 : x - Step 2: Convert to fraction form
887,686.75/1,331,865.60 = 532,948.06/x - Step 3: Cross multiply
887,686.75x = 1,331,865.60 × 532,948.06 - Step 4: Simplify right side
887,686.75x = 709,815,187,700.74 - Step 5: Solve for x
x = 709,815,187,700.74/887,686.75 - Step 6: Final answer
x = 799,623.50
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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.