Finding the Fourth Proportional to 751,555.09, 1,127,052.78 and 302,124.70
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Solution
The fourth proportional to 751,555.09, 1,127,052.78 and 302,124.70 is: 453,074.55
Step by Step Solution
- Step 1: Write the proportion equation
751,555.09 : 1,127,052.78 = 302,124.70 : x - Step 2: Convert to fraction form
751,555.09/1,127,052.78 = 302,124.70/x - Step 3: Cross multiply
751,555.09x = 1,127,052.78 × 302,124.70 - Step 4: Simplify right side
751,555.09x = 340,510,483,041.67 - Step 5: Solve for x
x = 340,510,483,041.67/751,555.09 - Step 6: Final answer
x = 453,074.55
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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.