Finding the Fourth Proportional to 497,908.14, 687,110.04 and 283,048.20
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Solution
The fourth proportional to 497,908.14, 687,110.04 and 283,048.20 is: 390,604.70
Step by Step Solution
- Step 1: Write the proportion equation
497,908.14 : 687,110.04 = 283,048.20 : x - Step 2: Convert to fraction form
497,908.14/687,110.04 = 283,048.20/x - Step 3: Cross multiply
497,908.14x = 687,110.04 × 283,048.20 - Step 4: Simplify right side
497,908.14x = 194,485,260,023.93 - Step 5: Solve for x
x = 194,485,260,023.93/497,908.14 - Step 6: Final answer
x = 390,604.70
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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.