Finding the Fourth Proportional to 657,811.80, 986,717.70 and 574,867.80
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Solution
The fourth proportional to 657,811.80, 986,717.70 and 574,867.80 is: 862,301.70
Step by Step Solution
- Step 1: Write the proportion equation
657,811.80 : 986,717.70 = 574,867.80 : x - Step 2: Convert to fraction form
657,811.80/986,717.70 = 574,867.80/x - Step 3: Cross multiply
657,811.80x = 986,717.70 × 574,867.80 - Step 4: Simplify right side
657,811.80x = 567,232,233,420.06 - Step 5: Solve for x
x = 567,232,233,420.06/657,811.80 - Step 6: Final answer
x = 862,301.70
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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.