Finding the Fourth Proportional to 549,620.10, 824,430.15 and 455,141.70
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Solution
The fourth proportional to 549,620.10, 824,430.15 and 455,141.70 is: 682,712.55
Step by Step Solution
- Step 1: Write the proportion equation
549,620.10 : 824,430.15 = 455,141.70 : x - Step 2: Convert to fraction form
549,620.10/824,430.15 = 455,141.70/x - Step 3: Cross multiply
549,620.10x = 824,430.15 × 455,141.70 - Step 4: Simplify right side
549,620.10x = 375,232,540,002.26 - Step 5: Solve for x
x = 375,232,540,002.26/549,620.10 - Step 6: Final answer
x = 682,712.55
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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.