Finding the Fourth Proportional to 566,206.88, 781,370.96 and 311,563.53
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Solution
The fourth proportional to 566,206.88, 781,370.96 and 311,563.53 is: 429,960.68
Step by Step Solution
- Step 1: Write the proportion equation
566,206.88 : 781,370.96 = 311,563.53 : x - Step 2: Convert to fraction form
566,206.88/781,370.96 = 311,563.53/x - Step 3: Cross multiply
566,206.88x = 781,370.96 × 311,563.53 - Step 4: Simplify right side
566,206.88x = 243,446,692,979.27 - Step 5: Solve for x
x = 243,446,692,979.27/566,206.88 - Step 6: Final answer
x = 429,960.68
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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.