Finding the Fourth Proportional to 495,779.84, 684,104.96 and 291,709.44
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Solution
The fourth proportional to 495,779.84, 684,104.96 and 291,709.44 is: 402,517.12
Step by Step Solution
- Step 1: Write the proportion equation
495,779.84 : 684,104.96 = 291,709.44 : x - Step 2: Convert to fraction form
495,779.84/684,104.96 = 291,709.44/x - Step 3: Cross multiply
495,779.84x = 684,104.96 × 291,709.44 - Step 4: Simplify right side
495,779.84x = 199,559,874,782.82 - Step 5: Solve for x
x = 199,559,874,782.82/495,779.84 - Step 6: Final answer
x = 402,517.12
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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.