Finding the Fourth Proportional to 558,366.74, 770,682.96 and 316,790.72
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Solution
The fourth proportional to 558,366.74, 770,682.96 and 316,790.72 is: 437,248.84
Step by Step Solution
- Step 1: Write the proportion equation
558,366.74 : 770,682.96 = 316,790.72 : x - Step 2: Convert to fraction form
558,366.74/770,682.96 = 316,790.72/x - Step 3: Cross multiply
558,366.74x = 770,682.96 × 316,790.72 - Step 4: Simplify right side
558,366.74x = 244,145,209,790.13 - Step 5: Solve for x
x = 244,145,209,790.13/558,366.74 - Step 6: Final answer
x = 437,248.84
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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.