Finding the Fourth Proportional to 777,285.95, 1,072,656.95 and 450,662.49
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Solution
The fourth proportional to 777,285.95, 1,072,656.95 and 450,662.49 is: 621,915.59
Step by Step Solution
- Step 1: Write the proportion equation
777,285.95 : 1,072,656.95 = 450,662.49 : x - Step 2: Convert to fraction form
777,285.95/1,072,656.95 = 450,662.49/x - Step 3: Cross multiply
777,285.95x = 1,072,656.95 × 450,662.49 - Step 4: Simplify right side
777,285.95x = 483,406,249,749.49 - Step 5: Solve for x
x = 483,406,249,749.49/777,285.95 - Step 6: Final answer
x = 621,915.59
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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.