Finding the Fourth Proportional to 495,439.94, 683,589.98 and 291,499.76
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Solution
The fourth proportional to 495,439.94, 683,589.98 and 291,499.76 is: 402,200.75
Step by Step Solution
- Step 1: Write the proportion equation
495,439.94 : 683,589.98 = 291,499.76 : x - Step 2: Convert to fraction form
495,439.94/683,589.98 = 291,499.76/x - Step 3: Cross multiply
495,439.94x = 683,589.98 × 291,499.76 - Step 4: Simplify right side
495,439.94x = 199,266,317,546.13 - Step 5: Solve for x
x = 199,266,317,546.13/495,439.94 - Step 6: Final answer
x = 402,200.75
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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.