Finding the Fourth Proportional to 762,560.77, 1,052,334.84 and 423,029.02
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Solution
The fourth proportional to 762,560.77, 1,052,334.84 and 423,029.02 is: 583,780.59
Step by Step Solution
- Step 1: Write the proportion equation
762,560.77 : 1,052,334.84 = 423,029.02 : x - Step 2: Convert to fraction form
762,560.77/1,052,334.84 = 423,029.02/x - Step 3: Cross multiply
762,560.77x = 1,052,334.84 × 423,029.02 - Step 4: Simplify right side
762,560.77x = 445,168,176,077.06 - Step 5: Solve for x
x = 445,168,176,077.06/762,560.77 - Step 6: Final answer
x = 583,780.59
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.