Finding the Fourth Proportional to 453,163.68, 679,218.48 and 400,675.68
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Solution
The fourth proportional to 453,163.68, 679,218.48 and 400,675.68 is: 600,547.52
Step by Step Solution
- Step 1: Write the proportion equation
453,163.68 : 679,218.48 = 400,675.68 : x - Step 2: Convert to fraction form
453,163.68/679,218.48 = 400,675.68/x - Step 3: Cross multiply
453,163.68x = 679,218.48 × 400,675.68 - Step 4: Simplify right side
453,163.68x = 272,146,326,342.57 - Step 5: Solve for x
x = 272,146,326,342.57/453,163.68 - Step 6: Final answer
x = 600,547.52
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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.