Finding the Fourth Proportional to 1,021,365.55, 1,529,977.48 and 473,487.88
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Solution
The fourth proportional to 1,021,365.55, 1,529,977.48 and 473,487.88 is: 709,271.80
Step by Step Solution
- Step 1: Write the proportion equation
1,021,365.55 : 1,529,977.48 = 473,487.88 : x - Step 2: Convert to fraction form
1,021,365.55/1,529,977.48 = 473,487.88/x - Step 3: Cross multiply
1,021,365.55x = 1,529,977.48 × 473,487.88 - Step 4: Simplify right side
1,021,365.55x = 724,425,783,435.62 - Step 5: Solve for x
x = 724,425,783,435.62/1,021,365.55 - Step 6: Final answer
x = 709,271.80
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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.