Finding the Fourth Proportional to 762,557.77, 1,052,330.70 and 423,026.02
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Solution
The fourth proportional to 762,557.77, 1,052,330.70 and 423,026.02 is: 583,776.45
Step by Step Solution
- Step 1: Write the proportion equation
762,557.77 : 1,052,330.70 = 423,026.02 : x - Step 2: Convert to fraction form
762,557.77/1,052,330.70 = 423,026.02/x - Step 3: Cross multiply
762,557.77x = 1,052,330.70 × 423,026.02 - Step 4: Simplify right side
762,557.77x = 445,163,267,744.81 - Step 5: Solve for x
x = 445,163,267,744.81/762,557.77 - Step 6: Final answer
x = 583,776.45
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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.