Finding the Fourth Proportional to 792,880.13, 1,094,175.14 and 430,303.91
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Solution
The fourth proportional to 792,880.13, 1,094,175.14 and 430,303.91 is: 593,819.69
Step by Step Solution
- Step 1: Write the proportion equation
792,880.13 : 1,094,175.14 = 430,303.91 : x - Step 2: Convert to fraction form
792,880.13/1,094,175.14 = 430,303.91/x - Step 3: Cross multiply
792,880.13x = 1,094,175.14 × 430,303.91 - Step 4: Simplify right side
792,880.13x = 470,827,833,344.40 - Step 5: Solve for x
x = 470,827,833,344.40/792,880.13 - Step 6: Final answer
x = 593,819.69
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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.