Finding the Fourth Proportional to 752,980.40, 1,129,610.52 and 247,569.68
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Solution
The fourth proportional to 752,980.40, 1,129,610.52 and 247,569.68 is: 371,400.52
Step by Step Solution
- Step 1: Write the proportion equation
752,980.40 : 1,129,610.52 = 247,569.68 : x - Step 2: Convert to fraction form
752,980.40/1,129,610.52 = 247,569.68/x - Step 3: Cross multiply
752,980.40x = 1,129,610.52 × 247,569.68 - Step 4: Simplify right side
752,980.40x = 279,657,314,961.03 - Step 5: Solve for x
x = 279,657,314,961.03/752,980.40 - Step 6: Final answer
x = 371,400.52
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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.