Finding the Fourth Proportional to 562,258.40, 775,925.34 and 307,613.84
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Solution
The fourth proportional to 562,258.40, 775,925.34 and 307,613.84 is: 424,511.89
Step by Step Solution
- Step 1: Write the proportion equation
562,258.40 : 775,925.34 = 307,613.84 : x - Step 2: Convert to fraction form
562,258.40/775,925.34 = 307,613.84/x - Step 3: Cross multiply
562,258.40x = 775,925.34 × 307,613.84 - Step 4: Simplify right side
562,258.40x = 238,685,373,390.71 - Step 5: Solve for x
x = 238,685,373,390.71/562,258.40 - Step 6: Final answer
x = 424,511.89
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1.5x scale
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.