Finding the Fourth Proportional to 688,435.21, 1,032,010.79 and 232,709.36
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Solution
The fourth proportional to 688,435.21, 1,032,010.79 and 232,709.36 is: 348,847.02
Step by Step Solution
- Step 1: Write the proportion equation
688,435.21 : 1,032,010.79 = 232,709.36 : x - Step 2: Convert to fraction form
688,435.21/1,032,010.79 = 232,709.36/x - Step 3: Cross multiply
688,435.21x = 1,032,010.79 × 232,709.36 - Step 4: Simplify right side
688,435.21x = 240,158,571,870.48 - Step 5: Solve for x
x = 240,158,571,870.48/688,435.21 - Step 6: Final answer
x = 348,847.02
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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.