Finding the Fourth Proportional to 566,252.44, 781,408.78 and 311,579.80
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Solution
The fourth proportional to 566,252.44, 781,408.78 and 311,579.80 is: 429,969.35
Step by Step Solution
- Step 1: Write the proportion equation
566,252.44 : 781,408.78 = 311,579.80 : x - Step 2: Convert to fraction form
566,252.44/781,408.78 = 311,579.80/x - Step 3: Cross multiply
566,252.44x = 781,408.78 × 311,579.80 - Step 4: Simplify right side
566,252.44x = 243,471,191,390.64 - Step 5: Solve for x
x = 243,471,191,390.64/566,252.44 - Step 6: Final answer
x = 429,969.35
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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.