Finding the Fourth Proportional to 628,811.80, 943,217.70 and 591,947.80
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Solution
The fourth proportional to 628,811.80, 943,217.70 and 591,947.80 is: 887,921.70
Step by Step Solution
- Step 1: Write the proportion equation
628,811.80 : 943,217.70 = 591,947.80 : x - Step 2: Convert to fraction form
628,811.80/943,217.70 = 591,947.80/x - Step 3: Cross multiply
628,811.80x = 943,217.70 × 591,947.80 - Step 4: Simplify right side
628,811.80x = 558,335,642,436.06 - Step 5: Solve for x
x = 558,335,642,436.06/628,811.80 - Step 6: Final answer
x = 887,921.70
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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.