Finding the Fourth Proportional to 569,441.76, 785,833.18 and 311,319.26
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Solution
The fourth proportional to 569,441.76, 785,833.18 and 311,319.26 is: 429,622.52
Step by Step Solution
- Step 1: Write the proportion equation
569,441.76 : 785,833.18 = 311,319.26 : x - Step 2: Convert to fraction form
569,441.76/785,833.18 = 311,319.26/x - Step 3: Cross multiply
569,441.76x = 785,833.18 × 311,319.26 - Step 4: Simplify right side
569,441.76x = 244,645,002,320.46 - Step 5: Solve for x
x = 244,645,002,320.46/569,441.76 - Step 6: Final answer
x = 429,622.52
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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.