Finding the Fourth Proportional to 749,867.83, 1,125,064.17 and 217,420.81
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Solution
The fourth proportional to 749,867.83, 1,125,064.17 and 217,420.81 is: 326,207.30
Step by Step Solution
- Step 1: Write the proportion equation
749,867.83 : 1,125,064.17 = 217,420.81 : x - Step 2: Convert to fraction form
749,867.83/1,125,064.17 = 217,420.81/x - Step 3: Cross multiply
749,867.83x = 1,125,064.17 × 217,420.81 - Step 4: Simplify right side
749,867.83x = 244,612,363,143.38 - Step 5: Solve for x
x = 244,612,363,143.38/749,867.83 - Step 6: Final answer
x = 326,207.30
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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.