Finding the Fourth Proportional to 771,102.23, 1,064,154.33 and 426,938.15
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Solution
The fourth proportional to 771,102.23, 1,064,154.33 and 426,938.15 is: 589,193.07
Step by Step Solution
- Step 1: Write the proportion equation
771,102.23 : 1,064,154.33 = 426,938.15 : x - Step 2: Convert to fraction form
771,102.23/1,064,154.33 = 426,938.15/x - Step 3: Cross multiply
771,102.23x = 1,064,154.33 × 426,938.15 - Step 4: Simplify right side
771,102.23x = 454,328,083,625.08 - Step 5: Solve for x
x = 454,328,083,625.08/771,102.23 - Step 6: Final answer
x = 589,193.07
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.