Finding the Fourth Proportional to 887,021.80, 1,330,532.70 and 834,533.80
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Solution
The fourth proportional to 887,021.80, 1,330,532.70 and 834,533.80 is: 1,251,800.70
Step by Step Solution
- Step 1: Write the proportion equation
887,021.80 : 1,330,532.70 = 834,533.80 : x - Step 2: Convert to fraction form
887,021.80/1,330,532.70 = 834,533.80/x - Step 3: Cross multiply
887,021.80x = 1,330,532.70 × 834,533.80 - Step 4: Simplify right side
887,021.80x = 1,110,374,510,155.26 - Step 5: Solve for x
x = 1,110,374,510,155.26/887,021.80 - Step 6: Final answer
x = 1,251,800.70
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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.