Finding the Fourth Proportional to 1,031,416.98, 1,423,379.98 and 578,741.46
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Solution
The fourth proportional to 1,031,416.98, 1,423,379.98 and 578,741.46 is: 798,676.99
Step by Step Solution
- Step 1: Write the proportion equation
1,031,416.98 : 1,423,379.98 = 578,741.46 : x - Step 2: Convert to fraction form
1,031,416.98/1,423,379.98 = 578,741.46/x - Step 3: Cross multiply
1,031,416.98x = 1,423,379.98 × 578,741.46 - Step 4: Simplify right side
1,031,416.98x = 823,769,007,759.97 - Step 5: Solve for x
x = 823,769,007,759.97/1,031,416.98 - Step 6: Final answer
x = 798,676.99
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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.