Finding the Fourth Proportional to 674,437.74, 930,713.26 and 368,507.49
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Solution
The fourth proportional to 674,437.74, 930,713.26 and 368,507.49 is: 508,534.42
Step by Step Solution
- Step 1: Write the proportion equation
674,437.74 : 930,713.26 = 368,507.49 : x - Step 2: Convert to fraction form
674,437.74/930,713.26 = 368,507.49/x - Step 3: Cross multiply
674,437.74x = 930,713.26 × 368,507.49 - Step 4: Simplify right side
674,437.74x = 342,974,807,352.32 - Step 5: Solve for x
x = 342,974,807,352.32/674,437.74 - Step 6: Final answer
x = 508,534.42
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1.5x scale
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.