Finding the Fourth Proportional to 869,149.70, 1,303,724.55 and 737,929.70
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Solution
The fourth proportional to 869,149.70, 1,303,724.55 and 737,929.70 is: 1,106,894.55
Step by Step Solution
- Step 1: Write the proportion equation
869,149.70 : 1,303,724.55 = 737,929.70 : x - Step 2: Convert to fraction form
869,149.70/1,303,724.55 = 737,929.70/x - Step 3: Cross multiply
869,149.70x = 1,303,724.55 × 737,929.70 - Step 4: Simplify right side
869,149.70x = 962,057,066,064.14 - Step 5: Solve for x
x = 962,057,066,064.14/869,149.70 - Step 6: Final answer
x = 1,106,894.55
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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.