Finding the Fourth Proportional to 460,633.60, 689,389.80 and 283,252.96
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Solution
The fourth proportional to 460,633.60, 689,389.80 and 283,252.96 is: 423,919.80
Step by Step Solution
- Step 1: Write the proportion equation
460,633.60 : 689,389.80 = 283,252.96 : x - Step 2: Convert to fraction form
460,633.60/689,389.80 = 283,252.96/x - Step 3: Cross multiply
460,633.60x = 689,389.80 × 283,252.96 - Step 4: Simplify right side
460,633.60x = 195,271,701,443.81 - Step 5: Solve for x
x = 195,271,701,443.81/460,633.60 - Step 6: Final answer
x = 423,919.80
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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.