Finding the Fourth Proportional to 549,279.70, 823,228.35 and 487,071.70
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Solution
The fourth proportional to 549,279.70, 823,228.35 and 487,071.70 is: 729,994.63
Step by Step Solution
- Step 1: Write the proportion equation
549,279.70 : 823,228.35 = 487,071.70 : x - Step 2: Convert to fraction form
549,279.70/823,228.35 = 487,071.70/x - Step 3: Cross multiply
549,279.70x = 823,228.35 × 487,071.70 - Step 4: Simplify right side
549,279.70x = 400,971,231,922.70 - Step 5: Solve for x
x = 400,971,231,922.70/549,279.70 - Step 6: Final answer
x = 729,994.63
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.