Finding the Fourth Proportional to 549,146.99, 824,302.78 and 486,374.63
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Solution
The fourth proportional to 549,146.99, 824,302.78 and 486,374.63 is: 730,077.67
Step by Step Solution
- Step 1: Write the proportion equation
549,146.99 : 824,302.78 = 486,374.63 : x - Step 2: Convert to fraction form
549,146.99/824,302.78 = 486,374.63/x - Step 3: Cross multiply
549,146.99x = 824,302.78 × 486,374.63 - Step 4: Simplify right side
549,146.99x = 400,919,954,293.02 - Step 5: Solve for x
x = 400,919,954,293.02/549,146.99 - Step 6: Final answer
x = 730,077.67
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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.