Finding the Fourth Proportional to 720,848.57, 1,081,717.55 and 366,117.17
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Solution
The fourth proportional to 720,848.57, 1,081,717.55 and 366,117.17 is: 549,401.61
Step by Step Solution
- Step 1: Write the proportion equation
720,848.57 : 1,081,717.55 = 366,117.17 : x - Step 2: Convert to fraction form
720,848.57/1,081,717.55 = 366,117.17/x - Step 3: Cross multiply
720,848.57x = 1,081,717.55 × 366,117.17 - Step 4: Simplify right side
720,848.57x = 396,035,366,314.75 - Step 5: Solve for x
x = 396,035,366,314.75/720,848.57 - Step 6: Final answer
x = 549,401.61
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1.5x scale
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.