Finding the Fourth Proportional to 713,384.10, 1,070,215.98 and 264,108.42
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Solution
The fourth proportional to 713,384.10, 1,070,215.98 and 264,108.42 is: 396,214.40
Step by Step Solution
- Step 1: Write the proportion equation
713,384.10 : 1,070,215.98 = 264,108.42 : x - Step 2: Convert to fraction form
713,384.10/1,070,215.98 = 264,108.42/x - Step 3: Cross multiply
713,384.10x = 1,070,215.98 × 264,108.42 - Step 4: Simplify right side
713,384.10x = 282,653,051,536.55 - Step 5: Solve for x
x = 282,653,051,536.55/713,384.10 - Step 6: Final answer
x = 396,214.40
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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.