Finding the Fourth Proportional to 903,647.56, 1,354,752 and 447,918.04
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Solution
The fourth proportional to 903,647.56, 1,354,752 and 447,918.04 is: 671,520.50
Step by Step Solution
- Step 1: Write the proportion equation
903,647.56 : 1,354,752 = 447,918.04 : x - Step 2: Convert to fraction form
903,647.56/1,354,752 = 447,918.04/x - Step 3: Cross multiply
903,647.56x = 1,354,752 × 447,918.04 - Step 4: Simplify right side
903,647.56x = 606,817,860,526.08 - Step 5: Solve for x
x = 606,817,860,526.08/903,647.56 - Step 6: Final answer
x = 671,520.50
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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.