Finding the Fourth Proportional to 979,746.15, 1,351,956.38 and 549,927.75
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Solution
The fourth proportional to 979,746.15, 1,351,956.38 and 549,927.75 is: 758,847.92
Step by Step Solution
- Step 1: Write the proportion equation
979,746.15 : 1,351,956.38 = 549,927.75 : x - Step 2: Convert to fraction form
979,746.15/1,351,956.38 = 549,927.75/x - Step 3: Cross multiply
979,746.15x = 1,351,956.38 × 549,927.75 - Step 4: Simplify right side
979,746.15x = 743,478,327,401.91 - Step 5: Solve for x
x = 743,478,327,401.91/979,746.15 - Step 6: Final answer
x = 758,847.92
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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.