Finding the Fourth Proportional to 561,342.07, 774,650.67 and 306,695.08
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Solution
The fourth proportional to 561,342.07, 774,650.67 and 306,695.08 is: 423,238.45
Step by Step Solution
- Step 1: Write the proportion equation
561,342.07 : 774,650.67 = 306,695.08 : x - Step 2: Convert to fraction form
561,342.07/774,650.67 = 306,695.08/x - Step 3: Cross multiply
561,342.07x = 774,650.67 × 306,695.08 - Step 4: Simplify right side
561,342.07x = 237,581,549,207.70 - Step 5: Solve for x
x = 237,581,549,207.70/561,342.07 - Step 6: Final answer
x = 423,238.45
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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.