Finding the Fourth Proportional to 868,820.70, 1,303,231.05 and 737,600.70
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Solution
The fourth proportional to 868,820.70, 1,303,231.05 and 737,600.70 is: 1,106,401.05
Step by Step Solution
- Step 1: Write the proportion equation
868,820.70 : 1,303,231.05 = 737,600.70 : x - Step 2: Convert to fraction form
868,820.70/1,303,231.05 = 737,600.70/x - Step 3: Cross multiply
868,820.70x = 1,303,231.05 × 737,600.70 - Step 4: Simplify right side
868,820.70x = 961,264,134,741.74 - Step 5: Solve for x
x = 961,264,134,741.74/868,820.70 - Step 6: Final answer
x = 1,106,401.05
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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.