Finding the Fourth Proportional to 808,272.06, 1,115,423.02 and 445,708.92
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Solution
The fourth proportional to 808,272.06, 1,115,423.02 and 445,708.92 is: 615,082.49
Step by Step Solution
- Step 1: Write the proportion equation
808,272.06 : 1,115,423.02 = 445,708.92 : x - Step 2: Convert to fraction form
808,272.06/1,115,423.02 = 445,708.92/x - Step 3: Cross multiply
808,272.06x = 1,115,423.02 × 445,708.92 - Step 4: Simplify right side
808,272.06x = 497,153,989,587.34 - Step 5: Solve for x
x = 497,153,989,587.34/808,272.06 - Step 6: Final answer
x = 615,082.49
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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.