Finding the Fourth Proportional to 561,984.84, 775,303.88 and 368,439.03
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Solution
The fourth proportional to 561,984.84, 775,303.88 and 368,439.03 is: 508,291.66
Step by Step Solution
- Step 1: Write the proportion equation
561,984.84 : 775,303.88 = 368,439.03 : x - Step 2: Convert to fraction form
561,984.84/775,303.88 = 368,439.03/x - Step 3: Cross multiply
561,984.84x = 775,303.88 × 368,439.03 - Step 4: Simplify right side
561,984.84x = 285,652,207,660.24 - Step 5: Solve for x
x = 285,652,207,660.24/561,984.84 - Step 6: Final answer
x = 508,291.66
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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.