Finding the Fourth Proportional to 688,525.88, 1,032,366 and 239,053.64
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Solution
The fourth proportional to 688,525.88, 1,032,366 and 239,053.64 is: 358,433.66
Step by Step Solution
- Step 1: Write the proportion equation
688,525.88 : 1,032,366 = 239,053.64 : x - Step 2: Convert to fraction form
688,525.88/1,032,366 = 239,053.64/x - Step 3: Cross multiply
688,525.88x = 1,032,366 × 239,053.64 - Step 4: Simplify right side
688,525.88x = 246,790,850,112.24 - Step 5: Solve for x
x = 246,790,850,112.24/688,525.88 - Step 6: Final answer
x = 358,433.66
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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.