Finding the Fourth Proportional to 885,746.70, 1,328,620.05 and 614,121.30
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Solution
The fourth proportional to 885,746.70, 1,328,620.05 and 614,121.30 is: 921,181.95
Step by Step Solution
- Step 1: Write the proportion equation
885,746.70 : 1,328,620.05 = 614,121.30 : x - Step 2: Convert to fraction form
885,746.70/1,328,620.05 = 614,121.30/x - Step 3: Cross multiply
885,746.70x = 1,328,620.05 × 614,121.30 - Step 4: Simplify right side
885,746.70x = 815,933,872,312.07 - Step 5: Solve for x
x = 815,933,872,312.07/885,746.70 - Step 6: Final answer
x = 921,181.95
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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.