Finding the Fourth Proportional to 698,709.56, 1,048,285.94 and 249,420.56
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Solution
The fourth proportional to 698,709.56, 1,048,285.94 and 249,420.56 is: 374,209.95
Step by Step Solution
- Step 1: Write the proportion equation
698,709.56 : 1,048,285.94 = 249,420.56 : x - Step 2: Convert to fraction form
698,709.56/1,048,285.94 = 249,420.56/x - Step 3: Cross multiply
698,709.56x = 1,048,285.94 × 249,420.56 - Step 4: Simplify right side
698,709.56x = 261,464,066,194.93 - Step 5: Solve for x
x = 261,464,066,194.93/698,709.56 - Step 6: Final answer
x = 374,209.95
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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.