Finding the Fourth Proportional to 853,000.23, 1,278,395.91 and 346,973.79
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Solution
The fourth proportional to 853,000.23, 1,278,395.91 and 346,973.79 is: 520,011.44
Step by Step Solution
- Step 1: Write the proportion equation
853,000.23 : 1,278,395.91 = 346,973.79 : x - Step 2: Convert to fraction form
853,000.23/1,278,395.91 = 346,973.79/x - Step 3: Cross multiply
853,000.23x = 1,278,395.91 × 346,973.79 - Step 4: Simplify right side
853,000.23x = 443,569,874,013.20 - Step 5: Solve for x
x = 443,569,874,013.20/853,000.23 - Step 6: Final answer
x = 520,011.44
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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.