Finding the Fourth Proportional to 958,205.70, 1,437,308.55 and 485,813.70
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Solution
The fourth proportional to 958,205.70, 1,437,308.55 and 485,813.70 is: 728,720.55
Step by Step Solution
- Step 1: Write the proportion equation
958,205.70 : 1,437,308.55 = 485,813.70 : x - Step 2: Convert to fraction form
958,205.70/1,437,308.55 = 485,813.70/x - Step 3: Cross multiply
958,205.70x = 1,437,308.55 × 485,813.70 - Step 4: Simplify right side
958,205.70x = 698,264,184,717.14 - Step 5: Solve for x
x = 698,264,184,717.14/958,205.70 - Step 6: Final answer
x = 728,720.55
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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.