Finding the Fourth Proportional to 808,220.84, 1,212,331.26 and 358,836.08
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Solution
The fourth proportional to 808,220.84, 1,212,331.26 and 358,836.08 is: 538,254.12
Step by Step Solution
- Step 1: Write the proportion equation
808,220.84 : 1,212,331.26 = 358,836.08 : x - Step 2: Convert to fraction form
808,220.84/1,212,331.26 = 358,836.08/x - Step 3: Cross multiply
808,220.84x = 1,212,331.26 × 358,836.08 - Step 4: Simplify right side
808,220.84x = 435,028,196,999.86 - Step 5: Solve for x
x = 435,028,196,999.86/808,220.84 - Step 6: Final answer
x = 538,254.12
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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.