Finding the Fourth Proportional to 1,068,486.24, 1,602,988.56 and 320,532.24
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Solution
The fourth proportional to 1,068,486.24, 1,602,988.56 and 320,532.24 is: 480,876.12
Step by Step Solution
- Step 1: Write the proportion equation
1,068,486.24 : 1,602,988.56 = 320,532.24 : x - Step 2: Convert to fraction form
1,068,486.24/1,602,988.56 = 320,532.24/x - Step 3: Cross multiply
1,068,486.24x = 1,602,988.56 × 320,532.24 - Step 4: Simplify right side
1,068,486.24x = 513,809,513,831.17 - Step 5: Solve for x
x = 513,809,513,831.17/1,068,486.24 - Step 6: Final answer
x = 480,876.12
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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.