Finding the Fourth Proportional to 828,924.36, 1,143,814.14 and 522,885.84
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Solution
The fourth proportional to 828,924.36, 1,143,814.14 and 522,885.84 is: 721,518.45
Step by Step Solution
- Step 1: Write the proportion equation
828,924.36 : 1,143,814.14 = 522,885.84 : x - Step 2: Convert to fraction form
828,924.36/1,143,814.14 = 522,885.84/x - Step 3: Cross multiply
828,924.36x = 1,143,814.14 × 522,885.84 - Step 4: Simplify right side
828,924.36x = 598,084,217,397.78 - Step 5: Solve for x
x = 598,084,217,397.78/828,924.36 - Step 6: Final answer
x = 721,518.45
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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.