Finding the Fourth Proportional to 752,440.93, 1,128,828.66 and 352,868.74
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Solution
The fourth proportional to 752,440.93, 1,128,828.66 and 352,868.74 is: 529,381.55
Step by Step Solution
- Step 1: Write the proportion equation
752,440.93 : 1,128,828.66 = 352,868.74 : x - Step 2: Convert to fraction form
752,440.93/1,128,828.66 = 352,868.74/x - Step 3: Cross multiply
752,440.93x = 1,128,828.66 × 352,868.74 - Step 4: Simplify right side
752,440.93x = 398,328,346,930.09 - Step 5: Solve for x
x = 398,328,346,930.09/752,440.93 - Step 6: Final answer
x = 529,381.55
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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.