Finding the Fourth Proportional to 520,882.56, 718,853.58 and 291,461.63
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Solution
The fourth proportional to 520,882.56, 718,853.58 and 291,461.63 is: 402,236.99
Step by Step Solution
- Step 1: Write the proportion equation
520,882.56 : 718,853.58 = 291,461.63 : x - Step 2: Convert to fraction form
520,882.56/718,853.58 = 291,461.63/x - Step 3: Cross multiply
520,882.56x = 718,853.58 × 291,461.63 - Step 4: Simplify right side
520,882.56x = 209,518,232,563.87 - Step 5: Solve for x
x = 209,518,232,563.87/520,882.56 - Step 6: Final answer
x = 402,236.99
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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.