Finding the Fourth Proportional to 644,281.33, 965,995.43 and 307,373.98
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Solution
The fourth proportional to 644,281.33, 965,995.43 and 307,373.98 is: 460,857.46
Step by Step Solution
- Step 1: Write the proportion equation
644,281.33 : 965,995.43 = 307,373.98 : x - Step 2: Convert to fraction form
644,281.33/965,995.43 = 307,373.98/x - Step 3: Cross multiply
644,281.33x = 965,995.43 × 307,373.98 - Step 4: Simplify right side
644,281.33x = 296,921,859,980.91 - Step 5: Solve for x
x = 296,921,859,980.91/644,281.33 - Step 6: Final answer
x = 460,857.46
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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.