Finding the Fourth Proportional to 519,656.18, 717,814.04 and 418,064.29
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Solution
The fourth proportional to 519,656.18, 717,814.04 and 418,064.29 is: 577,482.63
Step by Step Solution
- Step 1: Write the proportion equation
519,656.18 : 717,814.04 = 418,064.29 : x - Step 2: Convert to fraction form
519,656.18/717,814.04 = 418,064.29/x - Step 3: Cross multiply
519,656.18x = 717,814.04 × 418,064.29 - Step 4: Simplify right side
519,656.18x = 300,092,413,099.78 - Step 5: Solve for x
x = 300,092,413,099.78/519,656.18 - Step 6: Final answer
x = 577,482.63
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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.