Finding the Fourth Proportional to 561,146.08, 774,370.38 and 319,423.46
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Solution
The fourth proportional to 561,146.08, 774,370.38 and 319,423.46 is: 440,797.99
Step by Step Solution
- Step 1: Write the proportion equation
561,146.08 : 774,370.38 = 319,423.46 : x - Step 2: Convert to fraction form
561,146.08/774,370.38 = 319,423.46/x - Step 3: Cross multiply
561,146.08x = 774,370.38 × 319,423.46 - Step 4: Simplify right side
561,146.08x = 247,352,066,101.12 - Step 5: Solve for x
x = 247,352,066,101.12/561,146.08 - Step 6: Final answer
x = 440,797.99
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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.