Finding the Fourth Proportional to 868,847.70, 1,303,271.55 and 737,627.70
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Solution
The fourth proportional to 868,847.70, 1,303,271.55 and 737,627.70 is: 1,106,441.55
Step by Step Solution
- Step 1: Write the proportion equation
868,847.70 : 1,303,271.55 = 737,627.70 : x - Step 2: Convert to fraction form
868,847.70/1,303,271.55 = 737,627.70/x - Step 3: Cross multiply
868,847.70x = 1,303,271.55 × 737,627.70 - Step 4: Simplify right side
868,847.70x = 961,329,195,901.94 - Step 5: Solve for x
x = 961,329,195,901.94/868,847.70 - Step 6: Final answer
x = 1,106,441.55
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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.