Finding the Fourth Proportional to 950,714.90, 1,311,987.47 and 520,995.99
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Solution
The fourth proportional to 950,714.90, 1,311,987.47 and 520,995.99 is: 718,974.96
Step by Step Solution
- Step 1: Write the proportion equation
950,714.90 : 1,311,987.47 = 520,995.99 : x - Step 2: Convert to fraction form
950,714.90/1,311,987.47 = 520,995.99/x - Step 3: Cross multiply
950,714.90x = 1,311,987.47 × 520,995.99 - Step 4: Simplify right side
950,714.90x = 683,540,210,800.25 - Step 5: Solve for x
x = 683,540,210,800.25/950,714.90 - Step 6: Final answer
x = 718,974.96
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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.