Finding the Fourth Proportional to 749,911.35, 1,125,032.26 and 217,454.61
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Solution
The fourth proportional to 749,911.35, 1,125,032.26 and 217,454.61 is: 326,229.82
Step by Step Solution
- Step 1: Write the proportion equation
749,911.35 : 1,125,032.26 = 217,454.61 : x - Step 2: Convert to fraction form
749,911.35/1,125,032.26 = 217,454.61/x - Step 3: Cross multiply
749,911.35x = 1,125,032.26 × 217,454.61 - Step 4: Simplify right side
749,911.35x = 244,643,445,166.92 - Step 5: Solve for x
x = 244,643,445,166.92/749,911.35 - Step 6: Final answer
x = 326,229.82
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1.5x scale
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.