Finding the Fourth Proportional to 808,221.84, 1,212,332.76 and 358,837.08
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Solution
The fourth proportional to 808,221.84, 1,212,332.76 and 358,837.08 is: 538,255.62
Step by Step Solution
- Step 1: Write the proportion equation
808,221.84 : 1,212,332.76 = 358,837.08 : x - Step 2: Convert to fraction form
808,221.84/1,212,332.76 = 358,837.08/x - Step 3: Cross multiply
808,221.84x = 1,212,332.76 × 358,837.08 - Step 4: Simplify right side
808,221.84x = 435,029,947,586.74 - Step 5: Solve for x
x = 435,029,947,586.74/808,221.84 - Step 6: Final answer
x = 538,255.62
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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.